Test the equation for symmetry with respect to the given axis, line, or pole.r = 4 + 2 sin ?; the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 
Answer: A
Mathematics
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Simplify the exponential expression.x-9 ? x7
A. - 
B. -x2
C. 
D. x2
Mathematics
Solve. Write results using scientific notation.A company produced 922,000 small appliances in one year and made a profit of 
. What was the profit on each appliance?
A. $8.24 B. $1.21 x 10-1 C. $1.21 x 101 D. $8.24 x 10-1
Mathematics
If the sides of a triangle are a, b, and c and they satisfy a2 + b2 = c2, the triangle is a right triangle. Determine whether the triangle with the given sides is a right triangle.a = 
, b = 
, c = 
A. Yes B. No
Mathematics
Evaluate the determinant.
A. -116 B. 1 C. 52 D. -52
Mathematics