If the 2nd term of a G. P series is 3/2 and the Fourth term is 3/8, find the first and common ratio of the series

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase