The mean of 50 test scores was calculated as 86. But, it turned out that one of the scores was misread as 91 but it was 66. What is the correct mean of the test scores?
A. 84
B. 85
C. 85.5
D. 86.5

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step-by-step explanation:

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation:

we have the parent function given by,

1. the function is translated 5 units to the left.

so, we get,   becomes

2. the function is translated 5 units to the right.

so, we get,   becomes

3. the function is translated 5 units upwards.

so, we get,   becomes

4. the function is translated 5 units downwards.

so, we get,   becomes

5. the function is reflected across x-axis.

so, we get,   becomes

6. the function is reflected across y-axis.

so, we get,   becomes .

step-by-step explanation:

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the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm