M(x)=x^2-3x
N(x)=x-5

MN(-1)= ?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12