Please Help If (x-4) is a factor of x^2-x-w = 0, then the value of w is
1) 12
2) –12
3) 3
4) -3

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

What is the sum of these mixed numbers 2 1/8 + 4 3/8