The perpendicular sides of a right triangle are both 10 feet long. Find the length of the remaining side. Answer in simplified radical form.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

If 25% of y is 30, what is 60% of y?