The radius of each wheel of a car is 15 inches. If the whales are turning at the rate of 3 revolutions per second, how fast is the car moving?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4