Find the average.Eight 6's and four 3's
A. 4
B. 3
C. 6
D. 5
Answer: D
Mathematics
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Simplify the expression by multiplying. -3(-5x2)
A. -15x2 B. 15x2 C. 8x2 D. -8x2
Mathematics
Eliminate the parameter of the pair of parametric equations.x = t2 + 1, y = t2 - 1
A. y = x2 + 2, x ? 1 B. y = x2 - 2, x ? 1 C. y = x - 2, x ? 1 D. y = x + 2, x ? 1
Mathematics
Simplify the given expression.3mn - 3mn
A. 0
B. mn
C. 
D. 6mn
Mathematics
Simplify by rationalizing the denominator.
A. 
B. 
C. 
D. 
Mathematics