Help me please in urgent

The verbal translation for the difference of m and 7 increased by 15

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?