Fill in the blank using elementary row operations to form a row-equivalent matrix.
A. 
?
B.
?
C.
?
D.
?
E.
?
Answer: A
Mathematics
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Write the first five terms of the arithmetic sequence whose first term, a1, and common difference, d, are given.a1 = -18; d = 4
A. -18, -14, -10, -6, -2 B. -2, -6, -10, -14, -18 C. -10, -6, -2, 2, 6 D. -10, -14, -18, -22, -26
Mathematics
Solve.A case of candy bars has 2 layers of candy bars. In each layer are 8 rows with 12 candy bars in each row. Find how many candy bars are in a case.
A. 191 candy bars B. 192 candy bars C. 202 candy bars D. 182 candy bars
Mathematics
Determine whether the equation defines y as a function of x. x - 6y = 2
A. function B. not a function
Mathematics
Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
-4
A. 
B. 
C. 
D. - 
Mathematics