Answer: OPTION D: 
Step-by-step explanation:
By definiton, fractions have the following form:

Where "a" is called numerator and "b" is the denominator. The numerator and the denominator are Integers.
In order to solve this exercise you need to remember de Division of fractions:

In this case, according to the information given in the exercise, you know that
of rubies are divided into 4 lots.
Therefore, in order to calculate the weight in pounds of each lot, you need to divide
by 4.
Then, you get the following result:

As you can notice, this result matches with the Option D.
The answer is D and i showed the work
Answer:
m = 9
c = -4
Step-by-step explanation:
The formula for a line is y = mx+c, where m is the gradient and c is the intercept.
here,
m = 9
c = -4
Hope this helps
good Luck
Answer:
328.13
Step-by-step explanation:
Answer:
(bc)^2 = (ac)^2 - (ab)^2 give me brainliest if its correct