Answer:
y*17x
Step-by-step explanation:
y is a gallon so LEARN!
Answer:
45
Step-by-step explanation:
the left and right side are symetrical
Answer:

Step-by-step explanation:
Using the Pythagorean identity
sin²x + cos²x = 1, then
sinx = 
Note that (
)² = 
sinΘ = 
=
= 