The perimeter of a rectangle is 60 centimeters. the base is 2 times the height. what are the dimensions of the rectangle?
a. h = 9cm, b = 18 cm
c. h = 10 cm, b = 20 cm
b. h = 19 cm, b = 38 cm
d. h = 10 cm, b = 15 c

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)

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.