Factor the quadratic expression completely.
-7x^2-24x-9

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway

Find the measure of angle b in the following triangle