The two triangles below are similar. Find the unknown side lengths.
A. x = 35
B. x = 20
C. x = 26
D. x = 28
Answer: D
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Solve the problem.The cost of a computer system increases with increased processor speeds. The cost C of a system as a function of processor speed is estimated as C = 5S2 - 3S + 1400, where S is the processor speed in MHz. Find the processor speed for which cost is at a minimum.
A. 0.2 MHz B. 0.3 MHz C. 2.4 MHz D. 6 MHz
Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = -1, ? = 0.4
A. L = 6; ? = 2.32 B. L = j-5; ? = 1.12 C. L = 6; ? = 2.48 D. L = 7; ? = 2.32
Solve the equation.
2x + 4 = 9x - 2
A. 
B. 
C. 
D. 
Solve.Suppose 5 cards are drawn from a deck of 52 cards. What is the probability of drawing 4 queens with any other card?
A. 
B. 
C. 
D. 