My best guess is add all of the numbers together then divide by 6 then check your choices to see if your response matches
Answer:
b = 
Step-by-step explanation:
The standard form of the sine is
y = asin(bx + c) + d
where | a | is the amplitude, period = 
c is the phase shift and d the vertical shift
Here period = 15, thus
= 15 ( multiply both sides by b )
15b = 2π ( divide both sides by 15 )
b = 
Answer: 0.125%
Step-by-step explanation:
Let 1600 corresponds to the 100% value and 2 is a part of the total 100% value 1600.
The formula to find the percent of a part :_

Substitute Part= 2 and Total = 1600 in the formula, we get :-

Therefore, 2 is 0.125% of 1600.
Hence, the percent of 1600 is 2 = 0.125%
Step-by-step explanation:









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Answer:
2022 students
Step-by-step explanation:
Since 18 out of 270 students speak three or more languages, a prediction would be 30,330 x 18/270 = 2,022 students