Pythagorean Theorem: a^2+b^2=c^2
(9)^2 + b^2 = (23)^2
81 + b^2 = 529
b^2 = 529 - 81
b^2 = 448
b^2 =

b = 21.2
Answer: b and d
Step-by-step explanation:
Since the roots are x=2 and x=6, we can write the equation as

Substituting in the coordinates of the vertex,

So, the equation is 
On expanding, we get 
Answer:
-9/7
Step-by-step
Slope Formula:

We can plug in the numbers 7 and -2 for the y and -4 and 3 for x

Answer:
Rectangle
Step-by-step explanation:
Answer:b
Step-by-step explanation: