I think is C is the first one. B for the second. C for the third. and C again. I hope these are right! have a good day!
∠2 = ∠7
4x+2 = 5(x-2)
4x+2 = 5x-10
x = 12
Answer:
C
Step-by-step explanation:


if you do a quick calculation on what that angle is, you'll notice that it is exactly 1 radian, and an angle of 1 radian, has an arc that is the same length as its radius.
that's pretty much what one-radian stands for, an angle, whose arc is the same length as its radius.
Answer:
What's '2−7x'
Step-by-step explanation: