Keith had 37 peaches left at his roadside fruit stand. He went to the orchard and picked more peaches to stock up the stand. There are now 72 peaches at the stand, how many did he pick ?

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?