Answer:
30 is the correct answer
Step-by-step explanation:
If you need more hep just tell me.
Hope this helps.
A) is your answer
(θ)=cos60°
(θ)
θ=
The answer is -4 i just did the test
y - 5 = -2(x - 3)
Distribute -2.
y - 5 = -2x + 6
Add 5 to both sides.
y = -2x + 11
B) y = -2x + 11
x+3x+3x=21
7x=21
x=3
3, 9, 9=21
the answers are 3, 9, and 9