Plot the following points on the coordinate plane and connect them to create a polygon. Then, find the
perimeter of the polygon.

A(1,3)
B (3,3)
C(3,-2)
D(-2,-2)
E (-2,0)
F(0,0)
G(0,2)
H (1,2)
I(1,3)

The polygon I created is a _. The perimeter is _ units

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y