Find the greatest common divisor (GCD).30 and 19
A. 1
B. 10
C. 3
D. 19
Answer: A
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Find an equation of variation in which y varies inversely as x and the following is true.y = 6, when x = 18
A. y = 
B. y = 
C. y = 108x
D. y = 
Provide an appropriate response.Round 19.98 to the nearest whole number.
A. 19 B. 19.10 C. 20 D. 19.98 E. none of the above
Match the polar equation with its graph.r = 
A. 
B. 
C. 
D. 
Solve the problem.The height of a vase is 5 inches. The table shows the circumference of the vase (in inches) at half-inch intervals starting from the top down. Estimate the volume of the vase by using the Trapezoidal rule with n = 10. Round your answer to the nearest thousandth. [Hint: you will first need to find the areas of the cross-sections that correspond to the given circumferences.] Circumferences 
A. 61.856 in.3 B. 101.552 in.3 C. 105.479 in.3 D. 62.876 in.3