20. a cement mixer held 6 3/4 tons of cement. ms. folley used 2/3 of the cement for her driveway. how many tons of cement remains in the mixer?

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 rate for one gallon of gasoline

Need same math paper but the back now i hope your able to read it cleary i need with hw