The original price of a pair of headphones is $39.99 before tax. When David bought the headphones they rang up for $31.99 before tax. He then paid 6% sales tax on the discounted price. Part A: What is the percent discount on the headphones? Show all work and steps in your solution. (5 points)
Part B: What is the total amount that Dalton paid for the headphones including tax? Show all work and steps in your solution. (5 points)
You have to explain

step-by-step explanation:

c

step-by-step explanation:

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.

the answer is  

a.

4,624π mm2

step-by-step explanation: