I'm not sure how to solve the systems of equations problem below
9x-4y= -7
7x-12= 39
what does x equal?
what does y equal?

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.

Which multiples do 3and 5 have in common? write all the common multiples of 3 and 5