X = number of lessons, y = total cost
y = 15x + 20 <== ur equation
when total bill was 125...y = 125
125 = 15x + 20
125 - 20 = 15x
105 = 15x
105/15 = x
7 = x <=== if Bill took 7 lessons, it would cost 125 <==
I don't understand the question
Answer: your answer will be (b) 0
hope it helps
Answer:
they are parallels
Step-by-step explanation:
they have the same slope but different y intercepts so they are parallel
24=26 is the answer... want mhe 2 show you?
