Answer:
The absolute value of -9 is less than 9 I'm pretty sure
This function is undefined. E side of you plug the values of x and y into the denominator the denominator = 0 and you cannot divide by zero
Answer:
160
Step-by-step explanation:
Answer:
degrees
Step-by-step explanation:
Angles on a straight line add up to 180 degrees.
Thus, 

Divide both sides by 4:

