Solve the problem.Suppose that the salinity S of ocean water at a given depth d is modeled by the equation  where S is measured in grams salt per kilogram water and d is measured in meters. What is the salinity when the depth is 939 m? Round your answer to the nearest hundredth.

A. 84.43 g salt/kg water
B. 86.83 g salt/kg water
C. 32.37 g salt/kg water
D. -25.23 g salt/kg water


Answer: C

Mathematics

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Translate the statement into symbols then construct a truth table.p = At most, 100 guests arrived at the wedding reception.q = There was a lot of cake left over.It is not the case that, at most, 100 guests arrived at the wedding reception and there was a lot of cake left over.

A.

TTF
TFT
FTT
FFF

B.
TTT
TFF
FTT
FFT

C.
TTF
TFT
FTT
FFT

D.
TTF
TFF
FTT
FFF

Mathematics

Use the graph to find the value. (f - g)(1)

A. -8 B. 6 C. 8 D. -6

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Find the center and radius of the circle.x2 + y2 - 18x - 8y = -72

A. (4, 9), r = 5 B. (-4, -9), r = 25 C. (9, 4), r = 5 D. (-9, -4), r = 25

Mathematics

Solve the equation. = 

A.
B.
C.
D.

Mathematics