PLEASE HELP ME!!!
DUE AT 2:10

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

How can (square root of 25) ^2 be rewritten?

Find the measure of the angle indicated in bold