5 MINUTES to answer pls help.

20 Points

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)