Find the area.Find the area enclosed by the ellipse x = 10 cos t, y = 9 sin t, 0 ? t ? 2?.
A. 90?2
B. 100?2 + 81?
C. 90?
D. 180?
Answer: C
Mathematics
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Provide an appropriate response.
Which two states have nearly the same number of teams?
A. California and New York B. Pennsylvania and Florida C. Florida and New Jersey D. Pennsylvania and New Jersey
Mathematics
Find any missing lengths in the similar shapes.
A. x = 4 B. x = 16 C. x = 7 D. x = 8
Mathematics
Multiply.(x + 4)(x2 - x + 8)
A. x3 + 3x2 + 32 B. x3 + 3x2 + 4x + 32 C. x3 + 32 D. x3 + 5x2 + 12x + 32
Mathematics
Simplify.
A. 0 B. -2.95 C. 2.95 D. ±2.95
Mathematics