5. If someone paid $1,160 in Medicare in 2013, how much did they pay in Social Security? Medicare is 1.45% and Social Security is 6.2% up to $115,000.

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle