Find two square roots for the complex number. Write your answer in standard form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Evaluate the integral.
dt
A. 
sin 
t - 
sin 
t + C
B. 
sin 
t - 
sin 
t + C
C. 
cos 
t + 
cos 
t + C
D. 
sin t - 
sin 7t + C
Mathematics
Find the indicated measure of central tendency.The speeds (in mi/h) of the cars passing a certain checkpoint are measured by radar. The results are shown below. Find the mode(s) of these speeds.44.0?42.1?43.9?44.3?40.240.2?42.1?42.0?42.8?44.344.0?42.0?44.3?41.2?42.144.8?44.8?43.9?41.2?44.0
A. 42.1 B. 44.0 C. 44.0, 44.3, 42.1 D. 43.47
Mathematics
Find the probability.If two fair dice are rolled, find the probability of a "double" given that thesum is 11.
A. 
B. 0
C. 
D. 
Mathematics
Find the reciprocal, if it exists.0
A. 1 B. No reciprocal C. 0
Mathematics