There are 21 boys and 28 girls in the running club. What is the ratio of girls to boys? A. 21:28
B. 28:21
C. 3:4
D. 4:3

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.

Match the one-to-one functions with their inverse functions.

Which of the following values in the set below will make the equation 5x + 6 = 6 true? (only input the number.) {0, 1, 2, 3, 4}