Through: (2,-4), slope =-1

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

When is g(x) = 0 for the function g(x) = 5.23x + 4?