Which expression is equal to
5(2x2 – 1) 3(7x2 1)?
11x2 2
11x2 – 2
31x2 2
31x2 – 2

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Solve the inequality and graph 6j - 7 < 5

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.