Solve the system of equations 8x+2y=6 y= -4x+3

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

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

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.