Help Please!! Find the numerical answer to the summation given below.
86
Σ(6η + 3)
n=2

H(x)=4x2-5x h(-3) what is the answer?

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?