What is the volume of a cube with a side length of 3t5units? Cube V = s3

3t8 units3
9t15 units3
27t15 units3
243t5 units3

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?

Someone me! if you’re smart you can solve this!

Graph the line with the given slope m and y-intercept b. m=-3,b=1