The topic= Direct and Inverse Proportions It is given that y is directly proportional to x and y=36 and when x=12
(a)
An equation connecting to x and y

(b)
That value of y when x=5

(c)
The value of x when y=12

Please help me answer my hw, thank you!

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

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

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3