What is the simplified expression for 5ab+9ab-ab?

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x