An angle measures 31° . what is the measure of its complement?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much