What is the value of x in the equation 8 + 4 = 2 (x minus 1)?
A.5
B. StartFraction 11 Over 2 EndFraction
C. StartFraction 13 Over 2 EndFraction
D.7

What is the solution of the systems of equations? y=2/3x+3 x=-2

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

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?