Answer:
a
Step-by-step explanation:

Geometry Rule: SOH CAH TOA.
Sine = opposite over hypotenuse
Cosine = adjacent over hypotenuse
Tangent = opposite over hypotenuse
I won't solve all of these for you because I find that solving it on your own is an important step in learning to actually understand how this works.
o=nickel
O=quarter
O O O O O O O O O O + o o o =2.65
(2.50+.15=2.65)
there are 10 quarters total, and 3 nickels
Convert nickles to quarters, simple as that.
Answer:
-8
Step-by-step explanation:
np