Answer:
4th quadrant
Step-by-step explanation:
Sec in Cartesian form is

In order for sec to be positive, we must have a positive x value so we must be in Quadrant 1 or quadrant 4.
cot is negative so that menas y must be negative so.
The quadrant that has a positive x value and negative y value is 4th quadrant.
-3.509 is greater because -3.509 is closer to 0 than -5.2.
Hope this helps!
B
Simplify to 2 x 7 because they are both being divided by 8, so they cancel each other out.
The 3rd or 1st one I'm not sure which one but u have an idea of what it might be