Answer:
45x
Step-by-step explanation:
Just expand and coolect to get 9x5=45 and add x
Answer: 14x - 42
Hope this helps!
Answer:

Step-by-step explanation:
Both legs are equal, which implies the triangle is a 45-45-90.
The hypotenuse of this triangle is: 
43 6 goes into 25 4 times equaling 24 put the 1 carry down thw 8 6 time 3 is 18 that's 43