The area would be (x+3) (4x-1) which is 4x^2 +11x -3. The perimeter is 2(x+3) plus 2(4x-1) which is 2x +6 plus 8x-2 which is 10x +4. If x=7 then the perimeter is 74 ft.
Answer:
10
Step-by-step explanation:
Answer:
12412
Step-by-step explanation:
math
Answer:
4d i think im not sure???hoped it helped?