Find the value.(56 ÷ 8)2 - 11

A. 53
B. -10
C. -4
D. 38


Answer: D

Mathematics

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Solve the problem.Find parametric equations for an object that moves along the ellipse  +  = 1 with the motion described.The motion begins at (0, 2), is clockwise, and requires 4 seconds for a complete revolution.

A. x = 2 cos (?t), y = 2 sin (?t), 0 ? t ? 4
B. x = 2 sin (?t), y = 2 cos (?t), 0 ? t ? 4
C. x = 2 sin (4?t), y = 2 cos (4?t), 0 ? t ? 4
D. x = 2 sin (?t), y = -2 cos (?t), 0 ? t ? 4

Mathematics

Solve the equation.e x + 4 = 7

A. {ln 11} B. {e7 + 4} C. {ln 7 - 4} D. {e28}

Mathematics

Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $614,000. Owner's equity at end of year: $2,058,000. Net income after taxes: $316,500.

A. 15.4% B. 51.6% C. 23.7% D. 51.5%

Mathematics

Solve the equation by completing the square.4x2 - 4x - 8 = 0

A.
B.
C.
D.

Mathematics