Answer:
Ratio 2:3 I think :)
Step-by-step explanation:
Use the geometric mean for right triangles here. Like this

. Cross multiply to get

, and

. That simplifies down to

. Pull out the 9 as a perfect square of 3 and you're left with

, first choice above.
He could have 30 dimes and 13 quartars
3, assuming 2x2 is 2x squared, u will get
4 + 6x3 - 10x2
So 3 terms