Ariel wants to find out the most popular theme for spirit week at school. She cannot decide between two methods Option 1: She will poll each student who leaves the gym after sports practice. Option 2: She will randomly poll three students from each first-period class. Which statement about the methods is true?
A: Option 1 is biased.
B: Option 2 is biased.
C: Neither is biased
D: Both are biased​

56

step-by-step explanation:

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

the answer is y = 11.54

hope this : )