Solve the problem.The bacteria in a 12-liter container double every 2 minutes. After 48 minutes the container is full. How long did it take to fill a quarter of the container?
A. 12 min
B. 36 min
C. 24 min
D. 44 min
Answer: D
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Solve the problem.A student must choose 1 of 4 science electives, 1 of 6 social studies electives, and 1 of 5 language electives. How many possible course selections are there?
A. 240 B. 24 C. 15 D. 120
Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 
A. Positive B. Zero C. Negative
Solve the equation.7x - (5x - 1) = 2
A. 
B. 
C. 
D. 
Solve the problem.A flagpole is perpendicular to the horizontal but is on a slope that rises 10° from the horizontal. The pole casts a 43-foot shadow down the slope and angle of elevation of the sun measured from the slope is 36°. How tall is the pole? Round your answer to the nearest 0.1 foot.
A. 36.4 ft B. 36.2 ft C. 35.4 ft D. 33.5 ft