Ray’s weight increased by 11% in the last two years. if he gained 16.5 pounds, what was his weight two years ago?
a. 180 pounds
b. 100 pounds
c. 150 pounds
d. 110 pounds
e. 140 pounds

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)

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Which of the following is an equation of a line parallel to the equation y=4x+1?