When finding the approximate volume do you sub pi with 3.14?

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

How many solutions does the nonlinear system of equations graphed bellow have?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)