Pretty sure it would be D
Good luck on your finals!
Answer: The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set.
Answer:

Step-by-step explanation:
Given

Required
Simpify
The very first step is to take LCM of the given expression

Perform arithmetic operations o the numerator

Divide the numerator and denominator by 2


The expression can't be further simplified;
Hence,
= 
Answer:
4
Step-by-step explanation:
2x2=4
n = a number
2n = twice a number
2n - 7 = seven less than twice a number