Last year there were 1,435 8th grade students enrolled at your sc hool. this year there are 1,220. what is the percent change in the number of 8th grade students?

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

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.