Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Find the missing value and write a conclusion.12% of what number is 579?
A. 12% of 0.14 is 579. B. 12% of 48,250 is 579. C. 12% of 14 is 579. D. 12% of 4825 is 579.
Mathematics
Use dot mode to graph the function f in the standard viewing rectangle. Evaluate f for the given x-values.f(x) = [[x + 3]] at x = -2.5 and x = 0.8
A. 
f(-2.5) = 0, f(0.8) = 3
B. 
f(-2.5) = 1, f(0.8) = 2
C. 
f(-2.5) = 0, f(0.8) = 2
D. 
f(-2.5) = -2, f(0.8) = 0
Mathematics
Perform the indicated operations and express your answer in the form a + bi. 
A. -3i
B. ±3
C. -i
D. 3i
Mathematics
Find a constant solution of 
Enter just a reduced fraction of form 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics