I believe it is 3x+21 but i could be wrong :/ my explaination is -3 • -X would be +3x because it was distributed and -3 • -7 would be +21
I think the value of x is 20°.
Answer:
Step-by-step explanation:
Use the law of sines.

Plug values in.

Cross multiply.

Hope that helps.
5 hundreds is 500. So 500x10= 5000.
Answer:5000
Answer:
y=4x-13
Step-by-step explanation:
used demos