The correct sentence is letter "B"
X*2-8x-9/5*2-45x
2x-8x-18/5-45x
-51x-18/5
y=x*2-8x-9/5*2-45x
Make a right triangle by using half the base and using the Pythagorean theorem calculate the height.
Height = sqrt(8^2 - 5^2)
Height = sqrt(64 - 25)
Height = sqrt(39)
Height = 6.245 ( Round the answer as needed).
