The label on a juice carton says there are 50 calories in a 4 ounce serving of juice. arthur drinks 12 ounces of juice. how many calories did he consume?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

X- 3 = 4 solve this algebraic expression

Angle a and angle b are both supplementary angles. what must be true about the angles?