Perform the indicated operations. Write the resulting polynomial in standard form.(9x6 + 9x3 + 3x) + (4x6 + 5x3 - 5x)
A. 7x6 + 14x3 + 4x
B. 13x6 + 14x3 - 2x
C. 25x10
D. 13x + 14x6 - 2x3
Answer: B
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Solve the problem.The system of equations 
= (-4 + 5y)x and 
= (-4 + x)y describes the growth rates of two symbiotic (dependent) species of animals (such as the rhinoceros and a type of bird which eats insects from its back). What is necessarily true of the two populations at the equilibrium points?
A. They are both at a maximum. B. They are both at a minimum. C. Both populations equal zero. D. They both remain constant over all time.
Solve the problem.The matrices give points and rebounds for five starting players in two games. Find the matrix that gives the totals for the two games.
A. 
B. 
C. 
D. 
Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 0.1(1 + 3t)4, t = 0.3 s
A. 4.3 ft/s2 B. 15.6 ft/s2 C. 3.3 ft/s2 D. 39.0 ft/s2
A water system must be installed in a field as shown below. If the pipe comes in both 8-foot and 15-foot lengths, and cannot be cut, how many pipes of each length will be required?
