Gerald paid $120 for electricity in his apartment. This month his bill rose to $150, By what percent did the electricity bill rise this month

Me asap! what is the slope of this line? enter your answer in the box.

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?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.