Answer:
The answer is "3.03"
Step-by-step explanation:
please find the complete question in the attached file.
In 1970, the hourly wage was determined using the formula:

So, the hourly wage in 1970:

Answer:
Li Ping's statement makes sense.
Step-by-step explanation:
The area of a square with side lengths a inches is given by,
.
Now, the area of a parallelogram with equal sides a inches, which is not a square is given by,
, where, h is the perpendicular distance between the opposite sides.
See the diagram attached.
Since a is the hypotenuse of as right triangle with height h, hence, a > h.
So, 
Therefore, Li Ping's statement makes sense. (Answer)
The answer is c cuz the shaded overlapping section represents the answer