Rationalize the denominator.
A. 18
B. 
C. 
D. 
Answer: D
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.-
, -2i
A. f(x) = x4 - 45x2 - 28 B. f(x) = x4 + 3x2 - 28 C. f(x) = x4 + 3x2 + 14 D. f(x) = x4 - 3x2 - 28
Solve.If an I-beam is to be 
in. with a tolerance of ± 
in., find the longest and shortest acceptable lengths.
What will be an ideal response?
Solve the problem.Decide if the equation could be linear.
A. Not linear B. Linear
A small country exports soybeans and flowers. Soybeans require 8 workers per acre, flowers require 12 workers per acre, and 100,000 workers are available. Government contracts require that there be at least 3 times as many acres of soybeans as flowers planted. It costs $250 per acre to plant soybeans and $300 per acre to plant flowers, and there is a budget of $3 million. If the profit from soybeans is $1,300 per acre and the profit from flowers is $1,900 per acre, find the maximum profit. Round the answer to the nearest tenth of million.
A. $16.2 million B. $20.6 million C. $13.2 million D. $18.3 million E. $17.3 million