Which system of linear equations has an infinite number of solutions? a. 3 x + 8 y = -1
3x + 8y = 2
b. 3 x + 8 y = -1
-3x + 4y = -20
c. 3 x + 8 y = -1
-12x - 32y = 4
d. 3 x + 8 y = -1
-2x + y = 3

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?