What is the algebraic expression for \"the difference between seven times a number and three times that number\"?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

One x-intercept for a parabola is at the point (-0.33,0). use the quadratic formula to find the other x-intercept for the parabola defined by the equation y=-3x^2+5x+2