Find the area of the region specified in polar coordinates.one petal of the rose curve r = 7 cos 3?
A. 
?
B. 
?
C. 
?
D. 
?
Answer: D
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Translate the problem to a system of equations, then solve using Cramer's Rule.The sum of a student's three scores is 218. If the first is 22 points more than the second, and the sum of the first two is 14 more than twice the third, what was the first score?
A. 46 B. 68 C. 86 D. 64
Find the sum.-55 + (-157)
A. 102 B. -212 C. -102 D. 212
Solve.Alan's yard is rectangular and measures 9.7 meters by 11.1 meters. Maria's yard is rectangular and measures 39.9 meters by 32.3 meters. What is the total area of the two yards?
A. 1181.10 m2 B. 1396.44 m2 C. 1984.50 m2 D. 11,811.0 m2
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."5x3 - 25x2 + 30x
A. 5x(x + 2)(x + 3) B. x(5x + 2)(x + 3) C. 5x(x - 2)(x - 3) D. x(x + 2)(5x + 15)