The answer is :
Y-21=-21/11 (X -7)
Tell me if the answer is correct and give brainliest heheheh tq :p
To do this problem, you will need to know the side lengths of the triangle. If you have those, just plug them in for a, b, and c and evaluate the square root.
Here is an example. If the sides are 3, 4, 5.
It would be:

The 6 is in the formula because it is the semi-perimeter (half).
Answer:
hello : Infinitey
Step-by-step explanation:
−4y + 4y + 2 = 2
2 = 2 ... right
so : Infinitey solutions
Answer:
f(7)=13
g(-9)=86
Step-by-step explanation:
f(7)=2*7-1=14-1=13
g(-9)=(-9)^2+5=81+5=86