The average time taken by each student to complete a project is given by:
A. the mean.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
The average time has to include all students, which excludes the median(50th percentile) and the mode(most common value), hence option a is correct.
More can be learned about the mean of a data-set at brainly.com/question/24628525
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60 seconds into a minute so the equation is 22 x 60 = 1320
Answer:
Step-by-step explanation:
First use distributive property
3(4x-2) = 12x-6
5x+9=12x-6
Now use property of equality
5x+9=12x-6
-9. -9
5x=12x-15
-12x -12x
-7x= -15
-7x divides by -7
-15 divided by -7
Answer: x= 15/7 or x= 2.143
The factors of 9 are 1, 3, and 9