9 if your in k12 this is the answer trust me i just took the test
Answer:
2+10x-x^2, the last answer
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
The sides of a square are all the same length, so if 3 of them total 48, one of them must be 48/3 = 16.
If the length of the rectangle is 7 longer than the side of the square, it is
... 16 + 7 = 23
