The graph shows the calling charges of two cell phone companies. at how many minutes do the two companies charge the same amount?
a. 0
b. 15
c. 20
d. 40

step-by-step explanation:

a rhombus is a parallelogram enjoying his symmetry.

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.