Provide an appropriate answer.Use the following frequency distribution to determine the modal class (or classes).
A. 28-34
B. 28-34; 42-48
C. 7-13; 21-27; 28-34; 42-48
D. 14-20
Answer: B
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Find the probability of the event. Express the answer as a fraction in simplest form.Rolling a 2 or a 3 on a six-sided die.
A. 
B. 
C. 
D. 5
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x2 - 3y2 = 14x2 + 3y2 = 19
A. {(2, 1), (2, -1), (-2, 1), (-2, -1)} B. {(-1, 2), (1, -2)} C. {(1, 2), (-1, 2), (1, -2), (-1, -2)} D. {(2, 1), (-2, -1)}
Solve.Each month a gas station sells x gallons of gas at $1.92/gallon. The cost to the owner of the gas station for each gallon of gas is $1.32. The monthly fixed cost for running the gas station is $37,000. Write an equation that relates the monthly profit, in dollars, to the number of gallons of gasoline sold. Then use the equation to find the monthly profit when 75,000 gallons of gas are sold in a month.
A. P = 1.92x - 37,000; $107,000 B. P = 1.32x - 37,000; $62,000 C. P = 0.60x - 37,000; $8000 D. P = 0.60x + 37,000; $82,000
Solve.In how many ways can you make a team of 10 players out of 20 players?
A. 840 B. 167,960 C. 16,796 D. 184,756