Collect like terms.-3n9 - 3n9 + 9n9
A. 81n27
B. 81n9
C. 3n27
D. 3n9
Answer: D
Mathematics
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Evaluate.-5 - (-5)
A. -5 B. 0 C. 5 D. 1
Mathematics
Does the system have a unique solution, no solution, or many solutions?
A. No solution B. A unique solution C. Many solutions
Mathematics
Use the properties of determinants to find the value of the second determinant, given the value of the first.
= 48
= ?
A. -48 B. 48 C. 144 D. -144
Mathematics
Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole B. proper C. uncommon D. improper
Mathematics