There are 200 end of the year school dance tickets students who have perfect attendance are able to presage them in advance if 18 tickets were purchased in advance then what percent of the were in advance

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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