Solve the problem.Sarah missed 65 points, out of 542 points possible, in Math 120. An A is given to students who have a course average of at least 90%. Bob tells his friend that he has earned a grade of A in the course. Is he correct?
A. No
B. Yes
Answer: A
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Decide whether or not the number is a zero of the polynomial.P(x) = -x4 - 9x2 - 8x + 186; 3
A. Yes B. No
Multiply and write answer in lowest terms.1
× 
A. 2
B. 
C. 1
D. 
Solve the problem.Assume that the price per unit d of a certain item to the consumer is given by the equation 
where x is the number of units in demand. The price per unit from the supplier is given by the equation 
where x is the number of units supplied. Find the equilibrium price and the equilibrium quantity.
A. equilibrium price: $35 per unit; equilibrium quantity: 50 units B. equilibrium price: $50 per unit; equilibrium quantity: 30 units C. equilibrium price: $20 per unit; equilibrium quantity: 50 units D. equilibrium price: $30 per unit; equilibrium quantity: 50 units
Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 10 teams, each of which plays the others twice. If the league pays $46 per game for the field and officials, how much will it cost to play the entire schedule?
A. $4600 B. $5060 C. $4140 D. $4232