In a three-dimensional coordinate system, which of the following generally points upward?
the positive x-axis
the positive y-axis
the negative x-axis
the negative y-axis

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Three consecutive integers have a sum of 234. what are the three integers

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5