Please help how to do this problem ❤️ gets 50 points

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b