Use a permutation expression to solve.
Eight swimmers are competing in a race.
How many ways can the swimmers fill the top 3 spots for the fastest times?
120
336 6720
40,320

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

Write the following as a base and exponent

If square root x = -7, then x= -49 true or false