Do Not explain just give answer. Finish quick please.

15+3-3 1. Determine which expression is the correct rationalization of the denominator of a. 30 + 9 /2 C. 30 - 6-12 3 b. 3 10 + 3-/2 d. 3 /10 -6~/2 6 6 2. Determine an equation of the line tangent to the curve y = ~x -8 at the point with x-coordinate 9. a. -x + 2y+7 =0 c. x - 2y+7= 0 b. -x +2y+8=0 d. x - 2y+8 =0 3. Determine lim 3x+ x2. x- -2 a. 10 C. 6 b. -2 d. -4