Answer:

Step-by-step explanation:
The given equation in rectangular coordinates is;

We use the relation;

and

This implies that;


Divide through by r to get;

Divide both sides by 

Answer:
C. )
Step-by-step explanation:
Use the method pemdas and you get x=28
Answer:
19
Step-by-step explanation:
Angle ZYW is congruent to angle YWX, so the 3 angles must add to 180.
(3x - 5) + 90 + 2x = 180
5x + 85 = 180
5x = 95
x = 19
1 ft = 12 inches
2 ft = 24 inches
24 inches + 3 inches = 27 inches