Multiply and simplify.
? 
A. 5m
B.
C.
D. 10
Answer: D
Mathematics
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Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.6x - 7y = 494x + 2y = -14
A. {(0, -7)} B. Cramer's rule does not apply since D = 0; ? C. {(-1, -6)} D. {(0, -6)}
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r = 6 + 2 sin ?; the line ? =
A. Symmetric with respect to the line ? =
B. May or may not be symmetric with respect to the line ? =
Mathematics
Find the axis of the graph of the function.f(x) = (x - 5)2 - 5
A. x = -5 B. x = 0 C. y = -5 D. x = 5
Mathematics
Indicate whether the function is one-to-one.{(-12, 4), (5, -5), (17, -1)}
A. Yes B. No
Mathematics