Evaluate the determinant.
A. 26
B. 220
C. -86
D. 86
Answer: D
Mathematics
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Solve the problem.Each cycle of a screen saver program generates and then erases numbers of little animated figures called froobies. The formula 
models the population, P, of froobies after x minutes within a cycle. How many minutes into a cycle will the froobie population first reach 117?
A. 7 min B. 10 min C. 4 min D. 5 min
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Acute C. Obtuse D. Right
Mathematics
Perform the indicated operation. If possible, simplify.Simplify:
A. 1 - sin x B. cos x C. cos2 x D. 1 + sin x
Mathematics
Find the slope and y-intercept of the line.y = 3
A. slope = 1; y-intercept = 3 B. slope = 0; no y-intercept C. slope = 0; y-intercept = 3 D. slope = 3; y-intercept = 0
Mathematics