Answer:
Perimeter: 8x+20
Area: 3x^2+22x+24
Step-by-step explanation:
The perimeter of a rectangle is 2l+2w, which in this case is 2(3x+4)+2(x+6)=6x+8+2x+12=8x+20. The area is length times width which in this case is (3x+4)(x+6)=3x^2+22x+24. Hope this helps!
