Solve.The sediment on the bottom of a creek is normally 19 cm thick, but a recent flood washed away 
of sediment. How thick is it now?
A. 18.9 cm
B. 9 cm
C. 180 cm
D. 18 cm
Answer: D
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Use inductive reasoning to find the next equation in the pattern.23 + 13 - 13 = 833 + 23 - 13 = 34
A. 53 + 33 - 23 + 13 = 145 B. 53 + 23 - 13 = 132 C. 53 - 33 + 23 = 106 D. 53 + 33 - 23 = 144
Solve for x and graph the solution.6x + 11 ? 10x - 21
A. x ? -8
B. x ? -8
C. x ? 8
D. x ? 8
Find the frequency when the period is 63.5 æsec.
a. 1.57 KHz b. 15.75 KHz c. 157.5 KHz d. 6.3 KHz e. 635 KHz
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. y = 2.81 + 1.35x B. y = 92.3 - 0.669x C. y = -47.3 + 2.02x D. y = 11.7 + 1.02x