Four more than five times a number is two less than the number
make it into an algebraic expression

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.

In the rectangle below ac=30 units what is de

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?