8laps around the track makes 1 mile. how many laps will you need to run for 3/8 of a mile?

For what values of x is x2 + 2x = 24 true?

Find the domain of the following expression: 1/(√x)-2

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.