Plz I don’t know what to answer for these a b and c

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.