A store pays $399 for a waterheater. The store marks up the price by 42% . What is the amount of the mark-up?

Step-by-step explanation:

399*42%= 167.58 the mark up amount

399+167.50=566.50 total

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.

answer: apothems is your answer

step-by-step explanation: hope u get it right