Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x7 - 6x4) + (6x7 - 9x4 - 2)
A. -2x - 15x7 - 5x4 B. 3x7 - 6x4 - 2x C. -11x12 D. 9x7 - 15x4 - 2
Mathematics
Provide an appropriate response.If r > 0, 0 ? ? < 2?, and r cis ? has real part equal to 0, then what must ? be?
A. ?
B. 
C. 0
D. 
Mathematics
The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.
What is the average time of revolution of the moons?
A. 0.77 years B. 21.37 years C. 1.36 years D. 957.20 years
Mathematics
If 
, 
, and 
varid="variable_id_field" variablename="impvar_e861c70c6dbd4656b809affbf" />, find 
.
?
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics