Answer:
They multiplied the exponents instead of adding.
Step-by-step explanation:
Essentially, 2^2 x 2^3 is (2)(2) x (2)(2)(2) which is 5, not 6
Use a calculator it will help.
If you could post the picture I can help
Answer:
5
Step-by-step explanation:
Let's call the length AD y.
![\dfrac{x+2}{y}=\dfrac{8x-14}{2y} \\\\\\2(x+2)=8x-14 \\\\\\2x+4=8x-14 \\\\\\4=6x-14 \\\\\\6x=18 \\\\\\x=3 \\\\\\DE=x+2=3+2=5](https://tex.z-dn.net/?f=%5Cdfrac%7Bx%2B2%7D%7By%7D%3D%5Cdfrac%7B8x-14%7D%7B2y%7D%20%5C%5C%5C%5C%5C%5C2%28x%2B2%29%3D8x-14%20%5C%5C%5C%5C%5C%5C2x%2B4%3D8x-14%20%5C%5C%5C%5C%5C%5C4%3D6x-14%20%5C%5C%5C%5C%5C%5C6x%3D18%20%5C%5C%5C%5C%5C%5Cx%3D3%20%5C%5C%5C%5C%5C%5CDE%3Dx%2B2%3D3%2B2%3D5)
Hope this helps!