Kelly joins powerhouse gym. the cost is $30 per month and a one-time $100 joining fee. lisa joins megamuscle gym for $35 per month and a $50 joining fee. in how many months will lisa have paid more than kelly?

it will take Lisa 11 months to have paid more than Kelly

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)