Jacob has m nails and twice as many bolts as nails. he buys another 20 nails and 30 bolts. find the total number of nails and bolts joacob had now.

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?