you paid $76.70 for a meal in a restaurant. If the original bill was $65, what percent tip did you leave for your server? Please Explain!

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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.