[/tex]

This changes to a mix fraction
3 [tex] \frac{5}{9}
Based on the cost of the calculator, the discount, the shipping fee, and the tax, the total cost of the purchase was<u> a. $80.07</u>
The cost of the calculator was:
<em>= Cost of calculator x ( 1 - discount)</em>
= 83 x ( 1 - 15%)
= $70.55
The sales tax would be:
= 70.55 x 4.5%
= $3.17
The total cost would be:
<em>= Cost + Sales tax + Shipping fee</em>
= 70.55 + 3.17 + 6.35
= $80.07
In conclusion, the total is $80.07.
<em>Find out more on such at brainly.com/question/11239587. </em>
Does this have anything to do with school? Do you need help sir?
number 15: is 75
number 16: is 56
Step-by-step explanation: 7+8(14−6)+4
=75
2(52)+(2)(3)
=56
The formula for the midpoint of a line segment:

where x₁, y₁ - the coordinates of one endpoint; x₂, y₂ - the coordinates of the other endpoint