Provide an appropriate response.Do more data points always make a regression line a better predictor?
A. Yes
B. No
Answer: B
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Completely factor the polynomial or state that the polynomial is prime.1000x3 - 343
A. (10x - 7)(100x2 + 49) B. (1000x - 7)(x2 + 70x + 49) C. (10x + 7)(100x2 - 70x + 49) D. (10x - 7)(100x2 + 70x + 49)
Factor completely.81k3m - 192m4
A. (9km - 12m2)(9k2 + 16m2) B. 3m(3k + 4m2)(9k2 - 12km + 16km2) C. 3m(27k - 4m)(k2 + 12km + 16m2) D. 3m(3k - 4m)(9k2 + 12km + 16m2)
Solve the problem.The current I, in amperes, flowing through a particular ac (alternating current) circuit at time t seconds is I = 220 sin (25?t)What is the period and amplitude of the current?
A. period = 
second, amplitude = 220
B. period = 
second, amplitude = 25
C. period = 
second, amplitude = 75
D. period = 25? seconds, amplitude = 
Find the value of the trigonometric ratio rounded to four significant digits.cos 51.7 o
A. 1.2662 B. 0.7848 C. 1.2742 D. 0.6198 E. 0.7898