Stewart Bryant

@Anna_xb2 Square root of 81 is + or - 9 so top is [18,0 or -18]. Divide but 2 = [9, 0, -9]. So take square root you get [3, -3, 0, 3i]

Only for mathematician 0.00001% will be successed..

@Elsie_560 All square roots have two answers. So there must be four solutions to this question.

Can your brain catch the trick? Only sharp minds will spot the answer

@Elsie_560 Why do so many people forget that a square root has both a positive and a negative result?

Only for mathematician 0.00001% will be successed

@VikingCruises no answer to my email to you following my concern about disappointment with excursion booking.

@Vikingcruises very disappointed in your excursion system. Told we could not book until today yet some already gone. This morning told not until 8pm. Site kept crashing at 8pm. Could not get on until 9.30 by which time the ones we wanted were gone! Will not bookwith you again!!!!

Petition the export of car scrap to tackle vehicle theft - Sign the Petition! c.org/jbGsb48JyR via @UKChange

@TansuYegen Didn’t archimedes have the solution to this by measuring the density of the object?

Images from China are going viral as tiny gold bracelets appear real, but no one can tell if they are fake unless they cut them open 😮

Why is it that financial institutions feel that they can call a customer and ask for authentication before they will say why, but do not feel that they need to first authenticate themselves. Isn't this security 101? Isn't this the basis of many telephone scams?

@Jindo_1307979 50031

Fine out the highest possible number. 99.9% will fail

@ATRightMovies Wellington

@Wisdom_HQ The hydrogen in the molecules

@ElonMuskNews47 Reverse

#Viking on Tir at Wurzburg why do we not have seating and shade on the top deck when sister ship moored alongside does? We are on the same water and presumably paid similar fares?

@starlink You emailed me an offer of free equipment and when I followed the link you said no discount and a premium service charge. What did you waste my time trying to order a service?

@akafaceUS It is statistically unlikely, but with a fair coin it is absolutely possible. If it were impossible as you assert that would imply an unfair coin.

It's statistically impossible

@Janroweljmu This needs to be a price regulated industry.

Someone please explain. Care home costs are eye watering. Care home staff are very low paid. Where is all the money going?

@HPE specifically what factors were carefully considered when you decided (as usual) to apply no pension increase to UK pensioners?

#Ebay how does collect in person work if messaging system does not allow exchange of location?

#NationalCodingWeek took place in September and aims to inspire people, young or old, to get online and get involved with coding. This year's theme was #ArtificalIntelligence Find out how radio amateurs got involved by turning to page 34 of December's #RadCom Interested in #amateurradio and AI? Check out the newly released #RSGBconvention video on using AI to write simple amateur radio applications. Visit: youtu.be/WkAOEai3ahg #hamr

Petition: Apply for the UK to join the European Union as a full member as soon as possible petition.parliament.uk/petitions/7000… Abides by its manifesto when it chooses. Is there any policy on which this government does not have its head in the sand?