Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them. 7x - 9y = 7 35x - 45y = -3
A. Inconsistent
B. x = 5, y = 5
C. x = 0, y = 0
D. x = 7, y = -3
Answer: A
Mathematics
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Solve. Round to the nearest tenth when necessary.Jack and Jill are planning a new kitchen. The old kitchen measured 11 feet by 20 feet. The new kitchen is similar in shape, but the longest dimension is 28 feet. What is the smaller dimension of the new kitchen?
A. 50.9 ft B. 7.9 ft C. 15.4 ft D. 6160 ft
Mathematics
Evaluate as instructed.Use 
and 
to evaluate 
A. 0 B. -9 C. 4 D. 10
Mathematics
Perform the indicated operations.-(-11) + 20 + (-6) - 9
A. 24 B. 12 C. 16 D. -6
Mathematics
Solve.
3(x – 3) + 3x = 4x + 3
Mathematics