1 and 2 are right because one has adjacent. 2 vertical angles. Vertical angles mean the same plane and adjacent means two sides of an X.
Answer:
y = -7
Step-by-step explanation:
Put x = 2 in any one of the equation
5x +2y = -4
5*2 + 2y = -4
10 +2y = -4
2y = -4 -10
2y = -14
y = -14/2
y = -7
Answer
12.5 percent was bad, 87.5 were good
Step-by-step explanation:
set up this percentage solver
then cross multiply

divide by eight
12.5 were bad
so 87.5 were good
Answer: 360 miles per hour…………………