Any boys know what remind is and can show me how it works?

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?

What is 1/3x5 on anuber line what does it look like on a number line

Using elimination, what is -4x+2y=-12 4x+8y=-24