Which expression is equivalent to 30(1/2x-2)+40(3/4y-4)?
1.45xy-220
2.15x-30y-220
3.15x+30y-220
4.15x+30y-64

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

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

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys