Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the indicated operations and simplify.
- 
+ 2
A. 
B. 
C. 
D. 
Mathematics
In the following figure, m
n. Determine whether the given angles are congruent or supplementary.
?d and ?h
A. Congruent B. Supplementary
Mathematics
Convert as indicated. Express the answer in decimal form when needed.94 kilometers per hour to miles per hour (Round to the nearest thousandth.)
A. 151.246 mi/hr B. 141.846 mi/hr C. 58.280 mi/hr D. 67.774 mi/hr
Mathematics
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -2 y ? -x2 + 4 B. y ? 2 y ? x2 + 4 C. y ? -2 y ? -x2 + 4 D. x ? -2 y ? -x2 + 4
Mathematics