Acertain sine function completes 2 full cycles over the interval [0,2π]. which function rule could model this situation?

(the answer marked is wrong)

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

How do you find principle and simple interest

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions