John has a $2, $1, $0.50, $0.25, $0.10, and $0.05 coin in his pocket. How many different sums of money can he make?

Factor the polynomial expression x6 – x3 – 20

Evan walked 5/8 mile to his friends house. then together they walked 7/12 mile to the movie theatre. which pair of fraction can evan use to find how far he walked in all?

If twice a number is at least three less than four times the number, which of the following are true? let n represent the number.