It would be 53%. The biased survey is survey 2. The other surveys give 50%, 54%, and 54%
Answer:
Step-by-step explanation:
2(20 + 22) = 2(42) = 84 total books
15min:2h
15min:120min
15/120
3/24
1:8 is the answer
In a system of equations ax + b = 0, a≠ 0, the equation x = -b/a is referred as a non-trivial solution.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
The system Ax + b = 0 has the following solutions:
- The zeros, which is the trivial solution.
- x = -b/a, which is the non-trivial solution.
More can be learned about a system of equations at brainly.com/question/24342899
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The answer to this question is 64mm
