Rewrite (-5)^-2 without using negative exponents

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year? show your work and explain your reasoning in the space provided below.