Which one of the following solids can produce this two dimensional shape when sliced vertically

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Which number line represents the solution set for the inequality -1/2x> 24?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how