6 x ( 7 x 3 - 3^2) - 6
help me pleasee

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y