With a half life of 11 years, how long will it take 200g of strontium-90 to decay to 12.5g? I'm giving you a lot of points for this so please answer fast

#12 find the value of x. #13 find the value of the variable.

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section