Answer:
Q1: 
Q2: 
Step-by-step explanation:
Q1: 12 : 16 = 3 : 4 = 
Q2: 8.3 : 10 = 
Answer:
(B), Nominal.
Step-by-step explanation:
A nominal or categorical scale of measurement that is generally used to label or categorize the variables.
The person's "favorite sport" depicts the nominal scale of measurement.
Hence, the correct option is (B), Nominal.
Step-by-step explanation:

But we know that

and

so this leaves us with just

Step-by-step explanation:
the answer is in the picture ☝️
Answer:
A. (x + 2)²(x - 2)²
Step-by-step explanation:
x⁴ - 8x² + 16 =
(x² - 4)(x² - 4) =
(x - 2)(x + 2)(x - 2)(x + 2) =
(x - 2)²(x + 2)²