Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered pair. x + 7y = -23x + y = 34

A. (7, 12)
B. (3, 7)
C. (-2, 3)
D. (12, -2)

Answer: D

Mathematics

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 6an

A. 1, 7, 13, 19, 25 B. 6, 7, 8, 9, 10 C. 1, 6, 36, 216, 1,296 D. 6, 36, 216, 1,296, 7,776

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Mathematics

Evaluate the expression.-73

A. 21 B. -21 C. -343 D. 343

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Mathematics

Find the product and write the answer in simplest form. Assume variables represent nonnegative values. ?

A. x⁸z⁴
B. x⁸z⁵
C. x⁷z⁴
D. x⁷z⁴

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Mathematics

The graph of a function is given. Decide whether it is even, odd, or neither.

A. even B. odd C. neither

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Mathematics