A Machine can produce six yards of yarn in two minutes. How many yards of yarn can it produce in one hour

Rationalize the denominator- 12x/√x-10

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

Im so bad at fractions they are not my best math thing to work on