Answer:
1.1000
2.3/4
3.f(x)=1000(1/4)^X
Step-by-step explanation:
The short answer: yes.
Explanation: every rational number can be expressed as, well, a ratio. For instance, 5 can be expressed as 5/1 and 1.75 can be expressed as 7/4. Irrational numbers are not rational. For instance, pi... there is no ration for pi.
For this case we have by definition that the area of a parallelogram is given by:

Where:
b: It's the base
h: It's the height
According to the data we have:

Substituting in the formula:

The area of the parallelogram is 
Answer:

$8.30?
I need more info, is this including tax or are you having to tax the items as well?
The answer to this question is direct