This is algebra 2 can someone please help me

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?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?