Solve the problem.May planted 145 tulip bulbs in 5 hours and June planted 150 in 6 hours. Compare the ratios. Which person planted the most per hour? How many per hour?
A. June, 29
B. May, 29
C. May, 25
D. June, 25
Answer: B
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Solve the problem.Imagine a large tank with cross-sectional area A. The bottom of the tank has a circular drain with cross-sectional area a. Assume the tank is initially filled with water to a height h(0) = H. The height of the water as it flows out of the tank is described by the equation 
where 
and 
is the acceleration due to
gravity. Find the water height function for 
Then determine the approximate time at which the tank is first empty. If necessary, round to two decimal places.
A. h(t) = (1.2 - 0.2t
)2; 1.36
B. h(t) = (1.2 - 0.1t
)2; 2.71
C. h(t) = (1.2 - 0.1t
)2; 3.83
D. h(t) = (1.2 - 0.2t
)2; 1.92
Provide an appropriate response.Mentally multiply by using powers of 10: 204 × 100
A. 24,000 B. 0 C. 20,400 D. 204,000
Add or subtract as indicated.0.073 - 1
A. -1.073 B. -0.927 C. 1.073 D. 0.927
Solve. Round to the nearest tenth if necessary.The enrollment at a local college decreased 11% from last year's enrollment of 2500. What is the current enrollment?
A. 2775 students B. 2225 students C. 275 students D. 2489 students