What is the inverse of the function h() = −9 + 11? Is it a function?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

What are the solutions to the equation 4x2+3x=24-x

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?