It’s the first one
x = -12 or x=2
The average of scores is 160.5
Step-by-step explanation:
Mean is the sum of all values divided by the number of values.
Given scores are:
138,151,198,147,156, and 173
The formula for average score is given by:

Putting values

The average of scores is 160.5
Keywords: Mean, Average
Learn more about mean at:
#LearnwithBrainly
<span>150 centimeters is equivalent to 1 1/2 meters </span>
Answer:
230.2128. Im pretty sure
Step-by-step explanation:
The number is 225.
It square roots are +15 and -15 .
They are 30 apart on the number line.