Solve the system of equations using the inverse of the coefficient matrix.3x + 5y = -10-3x - 6y = 9
A. x = -5, y = 1
B. x = 1, y = -5
C. x = -1, y = 5
D. x = 5, y = -1
Answer: A
Mathematics
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A. 0.64 B. 2.81 C. 0.68 D. 1.46
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Solve the problem.Holly, whose regular rate of pay is $15, with time and a half for overtime, worked 44 hours last week. Find her gross pay for the week.
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?
If 
and 
, then f must have a critical point at (a, b).
?
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and 
.
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Mathematics