What is 1 times 3 divided by 3 + 25 minus 3 times 100 minus 93 + 4

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left