Which shows one way to determine the factors of x3 + 11x2 – 3x – 33 by grouping? x2(x + 11) + 3(x – 11)
x2(x – 11) – 3(x – 11)
x2(x + 11) + 3(x + 11)
x2(x + 11) – 3(x + 11)

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

Ineed with math stuff it involves graphs

The tile along the edge of a triangular community pool needs to be replaced? ?