Answer: 15 centimeters
Step-by-step explanation: You cut the rectangle into two triangles following the diagonal. You add 12 squared (144) and 9 squared (81) together. You get 225. You get the square root of 225 which is 15 and that is your answer. Basic solving for the hypotenuse.
Answer:
alright
Step-by-step explanation:
Answer:
A) x-8
Step-by-step explanation:

because

Answer:
6
Step-by-step explanation:
since their are 3 numbers to choose from we do 3! or 3*2*1 which is 6.

From there we can see that because x equals both to a and b, it must be that a = b.