The slope is undefined, because the x values are the same.
Answer:
x² - 10x + 9 = (x-9)(x-1)
the factored expression would be (x-9)(x-1)
Answer:
The surface area is 125.66 
Hope this helps!
Answer:
6.18
Step-by-step explanation:
4 cups ............... 24.72
1 cup ......................... x
x = 1×24.72/4 = 6.18
Maybe if multiply 80 by 3 so you can find one of the answer then do it algebraic