HELPP PLEASE Dave bowers collects u. s. gold coins. He has a collection of 46 coins. Some are $10, the rest are $20 coins. If the face value of the coins is $700, how many of each denomination does he have?

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

answer: need a picture

step-by-step explanation:

answer: c

substitute in the values.

for a:

f(0) = 0 + 9

f(0) = 9

a is a solution.

for b:

f(7) = 14 + 9

f(7) = 23

b is a solution.

for c:

f (3) = 6 + 9

f(3) = 15

c is not a solution. it's supposed to be 14.

for d:

f(2) = 4 + 9

f(2)= 13

d is a solution.