A space vehicle is orbiting Earth in a circular orbit. What radian measure corresponds to (a) 2.5 orbits? (b) 3/2 orbit?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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.