What is
6 3/5

Write your answer as a mixed number.

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?

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

What is the square root of 45? (step by step working plz)