Roberts test scores increased from 75 to 90. by what percentage did roberts test scores increase?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10