Answer:
70
Step-by-step explanation:
both sides of the triangle are 70 because they equal 140 plus 40 is 180
B, or, 70
That other guy is smart
1st question
Answer: y = 200x
y = 400
x = 2
400 = 200*2
2nd question
Answer: y = 2x
y = 6
x = 3
6 = 2*3
x squared+4x−12
Its 7 hope i helped
