Answer:20
Step-by-step explanation:
16/21 is your answer
You can take a 2 out of both numbers to get your answer
I hope this helped! :)
Answer:
It's the 3rd one
Step-by-step explanation:
35x -10y=-120
10x +10y= 30
45x=-90
x=-2
5(-2)+5y=15
-10+5y=15
5y=25
y=5
(-2,5): the answer is b
Two angles that have the sum of 180 degrees are supplementary angles. If you need to find angle A, you just need to subtract angle B from 180 degree to find out the degree of the particular angle. Hope I helped.