Help please! A line with a slope of -2. Passes through the point (3, -1), which of the following is the equation of the line?

The circumference of a circle is 5 pi cm. what is the area of the circle?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.