Which of these scales are equivalent to 3 cm to 4 km?

a. 0.75 cm to 1 km
b. 1 cm to 12 km
c. 6 mm to 2 km
d. 0.3 mm to 40 m
e. 1 inch to 7.62 km

Which of the following is the shape of a cross section of the figure shown below

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?