Find the area of the region specified in polar coordinates.One petal of the rose curve r = 10 cos 3?
A. 25?
B. 50?
C. 
?
D. 
?
Answer: D
Mathematics
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Decide whether the statement is true or false.A base eight numeral is even if and only if its ones digit is even.
A. True B. False
Mathematics
Solve the problem.Forty-three drivers start a race. Assuming all the drivers are equally skilled, how many top ten finishes are possible?
A. 33!
B. 33
C. 
D. 
E. none of these
Mathematics
Find the exact value of the expression.tan 
A. 2 + 
B. 
C. 
D. -2 - 
Mathematics
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered triple, if possible.
A. (-25, -1, 1) B. No solution C. (-10, -1, 1) D. (-8, -2, 1)
Mathematics