Answer:
A. 
B. 
Step-by-step explanation:
A. 
Where,


Plug in the values to get a polynomial that represents the area of the tool




B. To find area, when x = 4.5 in, plug in the value of x into the equation for the area of the tool.





Answer:
40 minutes
Step-by-step explanation:
2/3 x 60 = 40
Answer:
the slope that is perpendicular to line y=-7x-12 is 1/7
1/7 is the perpendicular slope
Step-by-step explanation:
Step-by-step explanation:
1a. Just add both of them.

1b. We just subtract both of the functions.


1c.


1d.

We simply have to divide the total miles that the car can travel by the total amount of gallons of gas.
So,
42 miles/ (11/6 gallons) = 22.91 miles per gallon
Therefore, Sandy's car gets 22.91 miles per gallon of gas