Write the augmented matrix for the system. 2x + 3y + 2z = 6 7x + 8y - 2z = -37 3x + 4y + 9z = 52

A.
B.
C.
D.  


Answer: B

Mathematics

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Solve the problem. Round to the nearest cent.Linda Young bought a new computer system. To pay for the system, she borrowed  from the credit union at 6% simple interest for 75 days. Find the interest owed. (Use a 365 day year.)

A. $128.01 B. $32.00 C. $26.30 D. $25.77

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The algebraic expression s2 gives the area of a square, where s represents the length of one of its sides. Use this information to find the area of the square.  5 mi

A. 28 sq mi B. 20 sq mi C. 25 sq mi D. 21 sq mi

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For the given Hindu-Arabic numeral, write an equivalent numeral in the indicated system.100; Mayan

A.

B.

C.

D.

Mathematics

Find the indicated probability.An IRS auditor randomly selects 3 tax returns from 46 returns of which 7 contain errors. What is the probability that she selects none of those containing errors?

A. 0.602 B. 0.0035 C. 0.6094 D. 0.0023

Mathematics