Answer:
The answer is A
Hoped it helped <3 tell me if I am wrong
Step-by-step explanation:
Answer:
$30
Step-by-step explanation:
To find out how much Billy will pay, just multiply 12 and 2.50
12 x 2.50 = $30
We will turn the left side into the right side.

Use the identity:



Now use the identity
solved for sin^2 x and for cos^2 x.



