The first three steps for solving the quadratic equation by completing the square are shown fill in the missing number in the last step 9,2 +54 x = 7 90x2+6x) = 7 90x2 + 6x + 9) = 7+

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

- (2, -7)

- lines r and s and lines t and u must be parallel

it's undefined because anything multiplied by 0 is 0. that said, 7 days is 168 hours