Simplify: 2y + 16 + 2y + 30 + 4y - 13 + 3y - 21

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2

Write the factored form of this trinomial 9x^2+18x-7