Solve.-z + 3 = 4
A. z = 1
B. z = -7
C. z = 7
D. z = -1
Answer: D
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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.
Rewrite the number as indicated.A company had net revenues of $8,500,945 in one year. Write this number using words.
A. eight million, five hundred thousand, nine thousand, forty-five B. eight million, five thousand, nine hundred forty-five C. eight million, fifty thousand, nine hundred forty-five D. eight million, five hundred thousand, nine hundred forty-five
Translate to an equation and solve. When necessary, round to the nearest hundredth.33% of 1900 is what?
A. 62,700 B. 627 C. 6270 D. 62.7
Solve the system.
A. (-3, 0, -7) B. (-3, 22, -7) C. (2, -1, -3) D. (2, -5, -2)