The circumference of the circle is 10.36
B.

C.

D.

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Answer:
8 degrees Fahrenheit
Step-by-step explanation:
9514 1404 393
Answer:
21
Step-by-step explanation:
Rearranging the given ratio, we can find the ratio of boys to the total.
boys : (boys +girls) = 7 : (7+8) = 7 : 15
Then the number of boys is ...
(7/15)(45) = 21
There are 21 boys in the classroom.
-22 = -2x + 9
-31 = -2x
-31/-2 = x
x = 15.5