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 = 
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
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. 