488=4 hundreds+ blank tens +8 ones

Joanie watched 1 out of three of a movie in the morning

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

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.