Answer:
03
Step-by-step explanation:
Subtract 4, divide by 2, then get 3
ANSWER

EXPLANATION
From the mnemonics SOH-CAH-TOA.
We want to find the cosine of y
CAH means cosine ratio involves adjacent over the hypotenuse.

From the right by triangle, the side ajacent to angle y is 64 units and the hypotenuse is 80 units.


<em><u>There is no solution!</u></em>
Answer:
b
Step-by-step explanation:
<span>92.23 Gallons per day. Because you divide 645.6 by 7, so that you can calculate the daily usage. :) </span>