Solve the system by addition.x + 6y = 122x + 7y = 14
A. {(-2, 0)}
B. ?
C. {(0, 2)}
D. {(1, 1)}
Answer: C
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Solve the problem.Let u = 6i + j, v = i + j, and w = i - j. Find scalars a and b such that u = av + bw.
A. 6v - w B. 3.500 v + 2.500w C. 6v + w D. 0.2857 v + 0.4000 w
Solve using a proportion. Round your answer to the nearest hundredth when necessary.The negative for an image taken with a 35 mm camera is 3.6 cm wide x 2.4 cm high. If a print with a width of 17.64 cm is produced from a 35 mm negative, what will the size of the print be expressed as width x height?
A. 11.76 cm wide x 17.64 cm high B. 17.64 cm wide x 11.76 cm high C. 17.64 cm wide x 13.76 cm high D. 16.64 cm wide x 11.76 cm high
Find the limit algebraically.
(x2 + 4x + 1)
A. 31 B. 1 C. 33 D. -1
Provide an appropriate response.Do more data points always make a regression line a better predictor?
A. Yes B. No