I’m about to fail the 8th grade. Someone please help me. If I don’t bring my 60% progress in math to a 70%. My life is worthless. Please help me.

Solve 2x+y=3 x+y=5 in substitution method

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same

If (x) = 3х - 2 and g(x) = 2х+ 1, find (f- g)(x). оа. х- з ов. 3-х ос. 5x - 1 od. 5x - з