If u fine hit me up bc im bored asa mf on dis

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.