Atank contains 150 gal of fresh water. a solution containing 5lb/gal of soluble lawn fertilizer runs into the tank at the rate of 1 gal/minute, and the mixture is pumped out of the tank at a rate of 5 gal/min. find the maximum amount of fertilizer in the tank and the time required to reach the maximum

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.