Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A right circular cone with r = 5 cm, h = 10 cm (S = ?r  + ?r2)

A. 254.0 cm2
B. 78.5 cm2
C. 314.0 cm2
D. 157.0 cm2


Answer: A

Mathematics

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A. 0.2 in. from the vertex B. 0.8 in. from the vertex C. 10.1 in. from the vertex D. 0.1 in. from the vertex

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Solve the equation.6 = a

A. {14} B. {13} C. {48} D. {0}

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If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.x + y = 0 x - y = 12

A. (5, -5) B. (-6, -5) C. (-6, 6) D. (6, -6)

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Multiply. Write the answer in lowest terms. ? 

A.
B.
C.
D.

Mathematics