Use synthetic division to determine whether x - c is a factor of the given polynomial.2x3 - 9x2 - 15x + 50; x + 1
A. Yes
B. No
Answer: B
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x? = 0.5x ? 0.2xy , y? = ?0.4y + 0.1xy
Let x and y represent the populations (in thousands) of two species that share a habitat. For each system of equations, find and assess the stability of the equilibrium points. Remember that, for real populations, both x0 and y0 must be nonnegative for ( x0 , y0) to be an equilibrium point.
Solve the equation. Express radicals in simplest form.x2 = 25
A. 12.5 B. ±5 C. ±6 D. 5
Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 108 in. What dimensions will give a box with a square end the largest possible volume? 
A. 36 in. × 36 in. × 36 in. B. 18 in. × 18 in. × 36 in. C. 18 in. × 36 in. × 36 in. D. 18 in. × 18 in. × 90 in.
Round the number to the place indicated.Round to the nearest thousandth: 8.27707
A. 8.2771 B. 8.276 C. 8.278 D. 8.277