Answer:

Step-by-step explanation:
The given rational function is

Let

Interchange x and y

Cross multiply

Expand

Solve for y;

or

Therefore

The answer would be 400$. This is because 40 x 10 = 400.
Hey !! here is your answer --
(5.7+2.2)-1.1
= 7.9 -1.1
= 6.8
D is your answer
1/3 of 18 is 6, so 2/3 would be 12
1m is approximately 3 feet whereas 1m is approximately 3280 feet. Therefore, the best estimate for the heiht of a desk would be 1 m