Evaluate.The volume of a cylinder with height h and radius r is given by V = ?r2h. Find the volume of the cylinder. Use 3.14 for ?.
A. 175.8 ft3
B. 2461.8 ft3
C. 351.7 ft3
D. 615.4 ft3
Answer: D
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Find the equation of the axis of symmetry of the parabola.y = 2x2 + 20x + 48
A. x = 2 B. x = -2 C. x = -5 D. x = 5
Write the first n terms of the given arithmetic sequence (the value of n is indicated in the question).The first term is 22, and the common difference is 4; n = 5
A. 22, 26, 30, 34, 38 B. 4, 26, 48, 70, 92 C. 22, 4, 30, 34, 38 D. 22, 4, 52, 78, 104
Write down all the subsets of the given set.{4, ?, 10, ?}
A. {4}, {?}, {10}, {?}, {4, ?}, {4, 10}, {4, ?}, {?, 10}, {?, ?}, {10, ?}, {4, ?, 10}, {4, ?, ?}, {4, 10, ?}, {?, 10, ?}, {4, ?, 10, ?} B. {4}, {?}, {10}, {?}, {4, ?}, {4, 10}, {4, ?}, {?, 10}, {?, ?}, {10, ?}, {4, ?, ?}, {4, 10, ?}, {?, 10, ?}, {4, ?, 10, ?}, ? C. {4}, {?}, {10}, {?}, {4, ?}, {4, 10}, {4, ?}, {?, 10}, {?, ?}, {10, ?}, {4, ?, 10}, {4, ?, ?}, {4, 10, ?}, {?, 10, ?}, {4, ?, 10, ?}, ? D. {4}, {?}, {10}, {?}, {4, ?}, {4, 10}, {4, ?}, {?, 10}, {?, ?}, {10, ?}, {4, ?, 10}, {4, ?, ?}, {4, 10, ?}, {?, 10, ?}, ?
Simplify. Assume that all variables represent positive real numbers.
A.
B.
C.
D.