Answer:
45
Step-by-step explanation:
Assuming that CB is tangent, this is just a right triangle with a hypotenuse of 20 and a side of 12 so by the Pythagorean Theorem:
20^2=12^2+x^2
400=144+x^2
x^2=400-144
x^2=256
x=16
Answer:
Slope = -3/4
y-intercept = 2
Step-by-step explanation:

I answered ALL your 15 problems. Sorry, I took long.
Please mark me brainliest if this helped you. That will help me a lot ...
I hope it helps!
The average price of such a house is
(97.86/ft²)×(1400 ft²) = 97.86×1400 = 137,004