Solve the system by the substitution or the addition method.

A. (10, -1.24)
B. (0.06, -0.02)
C. Infinite number of solutions
D. (-6, 2)


Answer: D

Mathematics

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Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.6(x + 13) - y(x + 13)

A. (x - 13)(y - 6) B. prime C. (x + 13)(6 + y) D. (x + 13)(6 - y)

Mathematics

Solve the problem.A lake is stocked with 658 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 4112. The population of fish in the lake after time t, in months, is given by the function, P(t) = . After how many months will the population be 4092?

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Find the integral.

A. (1 - 6x)e3x-9x2 + C
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Mathematics