Perform the indicated operation.(5p + 9)(-2p - 12)
A. 3p2 - 78p - 78
B. -10p2 - 78p - 78
C. -10p2 - 78p - 108
D. 3p2 - 78p - 108
Answer: C
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Determine if the given ordered pair is a solution of the system of equations. HINT: There is no need to graph.(-1, -3)4x + y = -13x + 4y = 9
A. Yes B. No
Solve.x2 + y2 - 2xy = 100x2 + y2 + 2xy = 225
A. (12.5, 2.5), (2.5, 12.5) B. (25, -5),(-25, -5), (-5, 25), (5, 25) C. (-2.5, 12.5), (-2.5, -12.5) D. (12.5, -2.5), (-12.5, -2.5), (-2.5, 12.5), (2.5, 12.5)
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $1.35 per gallon, whereas they sell 3895 gallons on a day that they charge $1.40 per gallon. Find a linear function that expresses gallons sold as a function of price. Use this function to predict the number of gallons sold at a price of $1.28 per gallon.
A. 6111.7 gallons B. 6119.1 gallons C. 6124 gallons D. 6115 gallons
Solve the problem.The natural resources of an island limit the growth of the population to a limiting value of 3423. The population of the island is given by the logistic equation 
where t is the number of years after 2010. What would be the predicted population of the island in 2019?
A. 2443 people B. 831 people C. 2714 people D. 2579 people