Samuel orders four dvds from an online music store. each dvd costs $9.34. he has a 25% discount code, and sales tax is 7%. round sales tax amounts to the nearest cent. what is the total cost of his order?

$31.02

Step-by-step explanation:

Cost of four DVDs at the rate of $9.34 per one = $9.34 x 4

                                                                              = $37.36

Discount code                                                       = 25% of the cost price

                                                                              = 25% of $37.36

                                                                              = $9.34

Therefore Cost Price of the 4 DVD                     = $37.36 - $9.34

                                                                              = $28.02

Sale tax percentage                                             =7% of the cost price

                                                                              = 7% of $37.36

                                                                              =$2.61

To the nearest cent                                             =$3

Therefore, the total cost of his order                  = $28.02 + $3

                                                                              = $31.02.

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex