10. Use substitution to solve the system of equations below.
- x + 2y = 5
3x - 5y =-11

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Which of the following is the shape of a cross section of the figure shown below

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?