Kanya has a credit card that gives a 6% discount on every purchase and free shipping when used online. the annual percentage rate on the credit card is 12%. kanya wants to buy a laptop that costs $420. which statement about the cost of the laptop is true?

letter d is correct

Step-by-step explanation:

d If Kanya uses the credit card and pays the full balance during the billing cycle, she will spend $25.20 less than paying cash for the laptop.

Step-by-step explanation:

n

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,