Eliminate the parameter to find a Cartesian equation of the curve.
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Provide an appropriate response.The region bounded by the lines x = 2, x = 6, y = -2, and y = 1 is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of this solid.
What will be an ideal response?
Use the sequence feature of a graphing calculator to evaluate the sum of the first 10 terms of the arithmetic sequence. Round to the nearest thousandth, if necessary.an = 
n + 
A. 166.633 B. 117.944 C. 140.304 D. 116.212
Use the variable x for the unknown. Write an equation representing the verbal sentence and solve the problem.At a garage sale, the most expensive item was marked $22.00 more than the cheapest item. The sum of the two items was $25.70. Find the cost of the least expensive item.
A. x + 22.00 = 25.70; $3.70 B. 25.70 - x = 22.00; $3.70 C. x(x + 22.00) = 25.70; $1.85 D. x + (x + 22.00) = 25.70; $1.85
Find the mean of the scores.
7, 3, 4, 1, 6, 3 a. 3.5 b. 4 c. 3 d. 2.5 e. 6