I will give u brainlist plzz help
can u put the answers

What is the most accurate measurement of 1 pound

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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