Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the area of the circle.
A. 415.3 ft2
B. 72.2 ft2
C. 144.4 ft2
D. 1661.1 ft2
Answer: A
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Angela and Ben want to divide fairly the chocolate-strawberry cake shown below. The total cost of the cake was $6.00. Angela values strawberry three times as much as she values chocolate, while Ben values chocolate twice as much as he values strawberry.
In Ben's eyes, the piece shown below is worth
A. $3.00. B. $4.00. C. $3.50. D. $2.50. E. none of these
Select the curve represented by the parametric equations.
?
?
A. ?
B. ?
?
C. ?
D. ?
E. ?
Decide whether the set of ordered pairs is a function.{(-5, 3), (-3, 4), (3, -6), (6, -9)}
A. Function B. Not a function
Convert the rectangular equation to a polar equation that expresses r in terms of ?.y2 = 3x
A. r = 3 cot2 x B. r = 3 cot x cscx C. r = 9 cot x cscx D. r2(cos ? + sin ?) = 3