Simplify the expression by combining like terms.11x + x - 3x + x
A. 10x
B. x2 + 8x
C. -x2 + 8x
D. 8x
Answer: A
Mathematics
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Find the quotient using long division.
A. -5x2 + 4x - 3 + 
B. -5x2 + 4x - 3 + 
C. -5x2 + 4x - 3
D. x2 - 3 + 
Mathematics
Find the sum of the arithmetic series using a formula.The first 42 terms of the series whose terms are an = 10 - 3n
A. -2489 B. -2189 C. -4578 D. -2289
Mathematics
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = -3i + 3j,
w = 2i + j
A. v1 = - 
i - 
j, v2 = 
i + 
j
B. v1 = - 
i - 
j, v2 = - 
i + 
j
C. v1 = - 
i - 
j, v2 = - 
i + 2j
D. v1 = - 
i - 
j, v2 = - 
i + 
j
Mathematics
Write the rational expression in lowest terms.
A. -1 B. -t C. 1 D. Already in lowest terms
Mathematics