If 30 people claimed that they get an average of seven hours of sleep, how many people claimed that they get six or less hours of sleep each night?

Combine like terms to make a simpler expression 3z+z

The longer leg of a 30-60-90 trangle is 18

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?