$17.92 is the total before tax. The tax price was $1.16. After tax the total is $19.08
ANSWER
b.
EXPLANATION
The given polar equation is,
Cross multiply to get,
Substitute,
and
This is an ellipse whose center is shifted to the left with orientation on the x-axis
The correct choice is B.
700/32 = 21.875
He'd have to sell approximately 22 shares to have enough to pay for his vacation.