Solve the problem.A high school basketball team has 12 members. If 7 of the team members are juniors and the rest are seniors, find the fraction of the team members that are seniors.
A. 
B. 
C. 
D. 
Answer: B
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Make the indicated conversion within units of time.Convert 0.6 hours to seconds.
A. 36 seconds B. 252 seconds C. 2160 seconds D. 1200 seconds
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
Write out the sum.
A. 7 + 8 + 9 + ... + (n + 6)2 B. 1 + 2 + 3 + ... + n C. (n + 6)2 D. 49 + 64 + 81 + ... + (n + 6)2
Solve the system by graphing.
A. (-4, 5) B. (-4, -5) C. (5, 4) D. (5, -4)