8. 8 + (-2) - 9 - (-7)

A. 24

B.-8

C. 4

D.-10

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Jackson and Israel are going out. Jackson rent a paddle boat that has a flat fee of $10 and $2 every hour after that. Israel rent out a small motorboat coast $4 initially and then $3 every hour after that.

If each student stirred for 25 seconds, what is the total number of seconds that all 25 students stirred?

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When 23 is subtracted from the square root of three times a number, the result is 16. find the number?