Answer:
C.
Step-by-step explanation:
Technically, none of these answers are correct because the domains need to be restricted. However, if you included imaginary numbers into the graph, then C. would be your best choice.
Answer:
60$ is the normal price.
Why:
Because if 45$ is 75%, then 30$ is 50%, 15 is 25%, and 0 is 0%. 50% + 50% = 100%. (That's how I did this one, anyway. This works on any 25%, 50%, or 75% problem.)
Answer:
The answer is "152 ft"
Step-by-step explanation:
Please find the attached file.
The area of the square
can be found on the foot.
The area of the triangular front will then be calculated 
Since each has two sides,
.
Therefore the multiplying the area of the bottom square
by the number of cells to get 152.
I don't think you use a fraction. You multiply .6666 by 72 which equals 47.9952 or rounded 48. :)