Give the degree measure of ?.? = arctan 
A. -45°
B. -135°
C. 45°
D. 225°
Answer: A
Mathematics
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Provide an appropriate response.Solve the following equation: 6 = -4 + y
Fill in the blank(s) with the appropriate word(s).
Mathematics
Calculate the direction of 
and the midpoint of line segment P1P2.P1(-2, -5, -4) and P2(2, -3, 0)
A. 
i + 
j + 
k; 
B. 
i + 
j + 
k; 
C. 
i + 
j + 
k; 
D. 
i + 
j + 
k; 
Mathematics
Use similar triangles and the fact that corresponding sides are proportional to find the length of the side marked with an x.
A. 9 m B. 4 m C. 6 m D. 3 m
Mathematics
Verify the identity.cos 3x = cos3 x - 3 sin2 x cos x
What will be an ideal response?
Mathematics