Hannah went to dinner with 3 friends. they split the entire bill and each person paid $5 for tip. hannah paid $18. what was the total bill?

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.

What is the value of r of the geometric series?

What is the value of f(x) = 2.2 for f(-2)?