Answer:
A is the answer
Step-by-step explanation:
3*30 is 90 2*30 is 60 and x*30 is 30 which means 90+60+30 equals 180
Answer:
8:14, 12:27, 40:70
Step-by-step explanation:
Answer:
174
Step-by-step explanation:
Given
132, 145, 97, 112, 128, 82
Required
Estimate amount of students in an art class
This is calculated by obtaining the mean of the given data

Where n is the number of observations
So; n = 6



<em>Hence, the estimated number of students is 174</em>
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