I'm not sure if this s corrct. Can you guys check it for me?

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

Through non-collinear points there is exactly one plane.

The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 16-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50