What are the factors of x2 − 81? (4 points) (x + 9)(x − 9) (x − 9)(x − 9) (x + 3)(x − 27) Prime

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

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)

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola