Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.20 - 9 = 11200 - 89 = 1112000 - 789 = 1211
A. 20,000 - 6,789 = 193,211
B. 200,000 - 6,789 = 13,211
C. 20,000 - 6,789 = 13,211
D. 2000 - 6,789 = 13,211
Answer: C
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Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 4?
C. 
= 
?r2
D. 
= 3r2
Use the sum-of-the-years'-digits method of depreciation. Round to the nearest dollar.Find the depreciation in the third year for a power generator which costs $25,000, has a life of 12 years, and an estimated scrap value of $2,500.
A. $961 B. $3,205 C. $962 D. $2,885
Evaluate the expression without using a calculator.log 104
A. log 4 B. 104 C. 10 D. 4
Identify the figure as a line, line segment, or ray and name it using the appropriate symbol.
A. Ray named 
B. Line named 
C. Ray named 
or 
D. Line named 
or 