Add. 3 + 2 + (-6)
A. -5
B. 7
C. 11
D. -1
Answer: D
Mathematics
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Simplify. Write the answer using only positive exponents. Leave the answer in exponential notation.(3x4)4
A. 81x4 B. 81x16 C. 3x16 D. 81x8
Mathematics
Determine whether the pair of fractions is equivalent.
and 
A. equivalent B. not equivalent
Mathematics
Find an expression for the nth term of the arithmetic sequence.1, -4, -9, -14, -19, . . .
A. an = -11 - 5n B. an = 5n - 6 C. an = -5n + 6 D. an = -5n - 6
Mathematics
Determine whether the given ordered set of numbers is a solution of the system of equations.(-5, 2)x + y = 7x - y = 3
A. Yes B. No
Mathematics