Answer:
all real numbers except x=-3
Step-by-step explanation:
Perhaps you want the domain of ...
(8 -x)/(7x +21)
The domain is all real numbers except the one that makes the denominator zero: x = -3.
I got 224. 7(4)^2 = 112 •2 =224
75 degrees
The angle of BOD when measured is 75 degrees
Answer: -4
