A would be the answer to this question
it helps a lot in math us it won't let me do it
total units of ration = 4 +7=11
so, ratio would be (4*33)/11 : (7*33)/11
12 : 21 is the answer.
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Answer:
95% Confidence interval for taxi fare: ($20.5,$24.2)
Step-by-step explanation:
We are given the following data set: for fares:
$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65
Formula:
95% Confidence interval:
Putting the values, we get,

Answer:
12x^3 - 11x^2 + 9x + 18
Step-by-step explanation:
12x^3 - 20x^2 + 24x + 9x^2 -15x + 18
Combine like terms
12x^3 - 11x^2 + 9x + 18