Currently, the area of oak park is represented by (9x2 + 6x + 9). the city will be expanding the park this summer. the area of the expansion is represented by 8x − 7. which polynomial expression represents the total area of oak park after the expansion? a) 9x2 + 14x + 2 b) 9x2 + 2x + 4 c) 9x2 + 14x − 2 d) 9x2 + 2x − 7

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?