Find the difference.b + a, for a = -1 and b = 0

A. 1
B. 0
C. -1
D. -10


Answer: C

Mathematics

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Write the sample space for the experiment. Two questions are answered on a questionnaire, the first identifying gender as male or female and the second identifying marital status as single, married, divorced, or widowed.

A. S = {(male, single), (male, married), (male, divorced),(female, married), (female, divorced), 
B. S = {(male, female), (single, married, divorced,widowed)}
C. S = {male, female, single, married, divorced, widowed}
D. S = {(male, single), (male, married), (male, divorced), (male, widowed), (female, single),  (female, divorced), (female, widowed)}

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Find the average velocity of the function over the given interval.  g(t) = 3 + tan t, 

A. - 
B.
C. - 
D. 0

Mathematics

Write the scientific notation in standard form.A group of astronomers detected a radio signal that originated approximately  light years from Earth. 

A. 124.2 B. 20,700,000 C. 2,070,000 D. 207,000

Mathematics

Write the series using summation notation.1 +  +  +  + 

A.
B.
C.
D.

Mathematics