Answer:
Step-by-step explanation:
The order of operations can be remembered with PEMDAS:
Parentheses
Exponents
Multiplication and
Division from left to right
Addition and
Subtraction from left to right
Example:

simplify Parentheses:

simplify Exponents:

simplify Addition and Subtraction left to right:

Finito.
Answer:
Not a random variable
Step-by-step explanation:
The last book a person read in City A is not a random variable because it is not a number as there is no numerical description for the outcome of this experiment.
Thus, the last book read by someone in City A is not a random variable.
Answer:
Distance Formula is
Step-by-step explanation:
d=√((x_2-x_1)²+(y_2-y_1)²)
Answer:
y = 2x
Step-by-step explanation:
you multiply the x by 2 to get the y.
i don't know if this helps
Answer:
0, 16
1, 15
2, 14
3, 13
4, 12
5, 11
6, 10
7, 9
8, 8
Step-by-step explanation:
Any two numbers that have the product of positive 16 have a geometric mean of 4.