Please help, this is due today at 3PM

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?