What is 9 1/10 - 4 3/4

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?