Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 cos ?; the y-axis 
A. May or may not be symmetric about the y-axis
B. Symmetric about the y-axis
Answer: A
Mathematics
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Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having exactly three girls and two boys?
A. 0.3125 B. 0.6252 C. 0.0313 D. 0.0625
Mathematics
Solve the problem.Express the gross salary G of a person who earns $35 per hour as a function of the number x of hours worked.
A. G(x) = 35x2
B. G(x) = 35 + x
C. G(x) = 35x
D. G(x) = 
Mathematics
Multiply.3.5
A. 6.41 B. 6.411 C. 6.4 D. 6.30
Mathematics
Evaluate the determinant.
A. -5 B. 0 C. -4 D. 4
Mathematics