3(x+3)-(5x+3) is equivalent to a(3-x)?

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction