Which one of the following words is a pronoun A) Two B) Him C) Boys D) Go

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

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22