A+B+C = 180
62+95+Z = 180
157 + Z = 180
Z = 23
Answer:
12
Step-by-step explanation:
5y=60
y=60/5
y=12
pretty sure its A. s/4
EXPLANATION: s is the total amount of students and you have to divide s by 4 to split it into four equal groups
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Answer:
As the sample size is too small, the margin of error cannot be trusted.
Step-by-step explanation:
