Pleas help me on this problem you have to do both because it is 2 questions for one problem

Given:

The cost price of the deck of cards is $72.78 dollars.

Mark up percent is 5%.

a) To find the amount of mark up:

So, we can write it as,

Thus, the amount of mark-up is $3.64 (rounded to the nearest hundredth).

b) To find the new price:

The new price = Cost price + Amount of mark up

So, we get,

Thus, the new price is $76.42.

6, 10

9, -13

12, -21

18, -23

step-by-step explanation:

you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.