Solve the equation.
= 10
A. {-8, 0}
B. {-6, 0}
C. {-6, 4}
D. {-8, 2}
Answer: D
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The speed of sound c, in meters per second, at a fixed depth and temperature in the ocean depends on the salinity S, in parts per thousand. The following table shows selected data. Round your answer to two decimal places, if necessary. S 35 35.6 36.2 36.8 c 1515.36 1516.08 1516.8 1517.52? A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: Explain in practical terms the meaning of the slope for the linear function in part B.
What will be an ideal response?
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.3, 5, 6, 6, 9, 1
A. 5.4 B. 7.6 C. 2.8 D. 2.5
Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, -4)} B. {(-3, -4)} C. {(-3, 4)} D. {(3, 4)}
Determine whether the pair of rational expressions is equivalent.
and 
A. Equivalent B. Not Equivalent