Which statement must be true to prove j || k? a. m∠2 + m∠5 = 180

b.∠6 ≅ ∠4

c.∠2 ≅ ∠3

d.∠1 ≅ ∠4

The answer is b. angle 6 must be equal to angle 4.

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.