Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 3, y = 9, z = 5; (3, 9, 5)
B. inconsistent
C. x = -3, y = 9, z = 6; (-3, 9, 6)
D. x = 3, y = 5, z = 9; (3, 5, 9)
Answer: A
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A. 27.560° B. 27.56° C. 30.66° D. 30.660°
Use the given data to construct a frequency and relative frequency distribution.A car insurance company conducted a survey to find out how many car accidents people had been involved in. They selected a sample of 32 adults between the ages of 30 and 70 and asked each person how many accidents they had been involved in in the past ten years. The following data were obtained.
Construct a frequency and relative frequency distribution using classes based on a single value.
A.
B.
C.
D.
Use a differential to approximate the quantity to the nearest thousandth.
?
?
A. 
B. 
C. 
Evaluate.-35 ÷ 
A. 25 B. 49 C. -49 D. -25