Translate the sentence into an equation. The sum of 8 times a number and 7 equals 3.
Use the variable y for the unknown 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?

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i