Please help fast! volume and area of this figure:

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12