Ralph is an electrician. He charges an initial fee of $37.50, plus $25 per hour. If Ralph earned $187.50 on a job, how long did the job take?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Which graph depicts the path of a projectile