Find the sum of the first n terms of the following arithmetic sequence.a1 = -10, d = -1; n = 5.
A. -50
B. -10
C. -15
D. -60
Answer: D
Mathematics
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Simplify. Assume x can represent any real number.
A. 196 
B. 196y2
C. 14y
D. 14 
Mathematics
Identify the equation as either an identity or not.
= 
A. Identity B. Not an identity
Mathematics
Expand the binomial.(x-3 + 2)5
A. 32x-15 B. x-15 + 32 C. x-15 + 5x-12 + 10x-9 + 10x-6 + 5x-3 + 1 D. x-15 + 10x-12 + 40x-9 + 80x-6 + 80x-3 + 32
Mathematics
Determine the greatest common factor for the group of terms.10(a - b) and 11(a - b)
A. 110(a - b) B. 10 C. (a - b) D. 11
Mathematics