Solve the equation using the multiplicative property of equality and the reciprocal. -2(a-5)=-1/2)10. (-1/2)(-2)(q-5)=(-1/2)10. q-5=-5. q=

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Write the equation in general quadratic form: plz !