Find the number of proper subsets of the set.{1, 2, 3, ..., 6}
A. 58
B. 64
C. 127
D. 63
Answer: D
Mathematics
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Identify the equation as either an identity or not.
= 
A. Not an identity B. Identity
Mathematics
Provide an appropriate response.Explain in your own words a sequence of steps that can be used to solve any quadratic equation in the most efficient way.
What will be an ideal response?
Mathematics
Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 190 mph B. 185 mph C. 175 mph D. 210 mph
Mathematics
Find functions f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (-4x + 18)8
A. f(x) = x8, g(x) = -4x + 18 B. f(x) = (-4x)8, g(x) = 18 C. f(x) = -4x + 18, g(x) = x8 D. f(x) = -4x8, g(x) = x + 18
Mathematics