<span>miles per gallon uses ratios. Say your car was doing 80 miles for 4 hours. You would have the ratio 80;4 and you need to find the miles per 1 hour</span>
Start by combining the fractions:



Recall the Pythagorean identity:

Then cancel a factor of
and use the definition of secant:

Answer:
The complex number
belongs to the third quadrant of the complex plane.
Step-by-step explanation:
Let be
. In the complex plane, if
(real component) and
(imaginary component), the number belongs to the third quadrant of the complex plane. The complex number
belongs to the third quadrant of the complex plane.