What is the solution to the system of equations? x=-3y-6 3x+4y=2

A) (-30, 8)
B) (-18, 4)
C) (6, -4)
D) (-18, -4)

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The measure of an angle is 117°. what is the measure of a supplementary angle?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?