How to solve these problems

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

What is the equation of the parabola with focus (-1,-1) and directrix y=1?

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89