?Which is the correct answer in unit rate for the following?
A.
?125 miles in 
hours is equivalent to 50 miles per hour.
B.
?150 feet in 10 seconds is equivalent to 15 feet per second.
C.
?275 cm in 5 minutes is equivalent to 45 cm per minute.
D.
?A clock's minute hand moves 90 degrees in 15 minutes. It is equivalent to the minute hand moving 5 degrees per minute.
E.
?A snail travels 4.5 feet in 12 hours, which is equivalent to traveling 
feet per hour.
Answer: B
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Find the area.Find the area under one arch of the cycloid 
A. 75? B. 15? C. 75?2 D. 50?
Solve the problem.Elizabeth and Angela skate for their college speed-skating team. In the last race, Elizabeth skated the 
race in 59 seconds. The average for this race is 65 seconds with a standard deviation of 
Angela skated the 1000-meter race in 135 seconds. The average for this race is 140 seconds with a standard deviation of 10.0 seconds. Find the 
for each skater. Relatively speaking, which skater had the faster time?
A. -1.5, -0.5, Angela B. -6.0, -5.0, Elizabeth C. -6.0, -5.0, Angela D. -1.5, -0.5, Elizabeth
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?
Solve.Find the height of the cliff. Round to the nearest hundredth yard.
A. 37.24 yards B. 19 yards C. 37.75 yards D. 53.34 yards