Seven more than three times a number is 25. What is the number?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

The measure of an angle is 117°. what is the measure of a supplementary angle?

Which expression and diagram represent “renee biked four times as far this month as last month”?