Answer:

Step-by-step explanation:
Let the
be the first number,
be the second number and
be the product of the first and second number.
i.e




Now,

Hence, 
Answer:
F ) √ 9/64
Step-by-step explanation:
√ 9/64 simplifies into 3/8, which is a rational number
Answer:
Step-by-step explanation:
804.25mm
If you plug in the x and y, you get
7(1)(3)
7 x 1 x 3 = 21, so the answer is 21