Find the exact value by using a half-angle identity.cos 75°
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Sketch the given surface.z = x2 + 4y2
What will be an ideal response?
Mathematics
Simplify the expression.(-3)3 - 54 ÷ (-6)
A. -36 B. 18 C. 36 D. -18
Mathematics
Solve the equation.
= 
A. 10
B. 
C. -5, 10
D. No solution
Mathematics
Find the LCM and the GCF of 100 and 110.
A. 110, 10 B. 1,100, 20 C. 1,100, 10 D. 11,000, 20
Mathematics