The tip for excellent service in a restaurant is $20 for every $100 of the meal. what is the total bill (cost of meal plus tip) for a $60 meal?

Solve 2^x=32 and rewrite this equation in a logarithmic form

How far could you drive on 50 gallons of gas

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.