Use a half-angle formula to find the exact value of the expression.cos 
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Given the floor plan, determine whether a person could traverse through each unit by passing through each door only once.
A. No B. Yes
Mathematics
Find the zeros of the polynomial function.f(x) = x3 + x2 - 42x
A. x = - 7, x = 6 B. x = 0, x = - 7, x = 6 C. x = 5, x = 6 D. x = 0, x = 5, x = 6
Mathematics
Multiply.-3 ? (-7) ? 2 ? (-5) ? 6 ? (-3) ? (-4)
A. -15,120 B. 3784 C. -14 D. 15,120
Mathematics
Solve the problem.There are 2.2 milligrams of iron in a 3.5 ounce serving of lamb. How much iron is in 9 ounces of lamb? Round to the nearest tenth, if necessary.
A. 6.7 mg B. 3.9 mg C. 0.9 mg D. 5.7 mg
Mathematics