The answer is z = 4 because of you put 4 into the equation it equals to 100
The answer is A.) 21x/^3y
Here is proof
Answer:
Step-by-step explanation:
Step 1: Convert into improper fractions
Step 2: Find least common denominator and find equivalent fractions
Step 3 : Do the required operation

Least common denominator of 2 , 4 = 4

Answer:
6(x-1)
Step-by-step explanation:
Open brackets.
4x-8+2x+2
Solve and simplify
6x-6
You can take 6 common
6(x-1)
Factors of the given expression are 
Given expression is

<h3>What is a factor?</h3>
A factor is a number that divides another number completely.
Let us split the middle term as:

Therefore, factors of the given expression are 
To get more about factors visit:
brainly.com/question/9781037