Answer:
-8π or −25.13274122
Step-by-step explanation:
Answer:

Step-by-step explanation:
Pythagoras theorem states that <em>“In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides”</em>.

So,
Length of leg y of the right triangle = 13
Answer:
b
Step-by-step explanation:
the function has exactly one x-intercept
Answer: (x−3)(x+7)
=(x+−3)(x+7)
=(x)(x)+(x)(7)+(−3)(x)+(−3)(7)
=x^2+7x−3x−21
=x^2+4x−21