Answer:
The area is:

Step-by-step explanation:
To find the area of a rectangle, multiply the width by the height (I'll be using x for b, as it is easier when writing the equations):

Answer: It will not be spread out horizontally across the entire coordinate
plane because in Step 2, Jacob plotted Fahrenheit instead of Celsius on
the x-axis.
Jacob confused the values, the first coordinate of the ordered pairs (which corresponds to the x-axis) is in Celsius and he used it as Farenheit.
Answer:
189,2$
Step-by-step explanation:
220*0,86=189,2
14% = 14/100 = 0,14
1-0,14 = 0,86
price* factor between 0 and 1, 0 -> item is free, 1 -> full price