No, certainly not. The slope is undefined if and when the line in question is vertical.
Answer:
the square root of 19
Step-by-step explanation:
this is because it has no rational value
The answer is 0.07 hope it helps
Answer: Choice B) 
Work Shown:

Note: secant is positive in quadrant Q4, when theta is between 3pi/2 radians and 2pi radians (270 degrees and 360 degrees). So that's why we don't consider the minus form of the plus minus.
Answer:
2.84
Step-by-step explanation:
20.00 - 17.16 : If you think of it with zeros it might help
2.84 when solved