If 4 times a certain number, increased by 8 is 85, what is the number?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q

In the next 10 month,colin wants to save $900 for his vacation.he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?