Perform the operations indicated. Write your answer in simplest form.9 + (-13)
A. 4
B. 22
C. -4
D. -22
Answer: C
Mathematics
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Provide an appropriate response.Consider the set of initials for your first name and your last name. How many possible sets of initials are there?
A. 676 B. 676 million C. 100 D. Infinite
Mathematics
Graph the integer on a number line.-1
A. 
B. 
C. 
D. 
Mathematics
Find all values of ? in [0°, 360°) that satisfy the equation.sin ? = - 
A. {210°, 330°} B. {150°, 210°} C. {60°, 300°} D. {60°, 120°}
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find cot ? if sec ? = - 
and ? is in quadrant II.
A. 
B. - 
C. 
D. - 
Mathematics