Which of the following describes velocity only in terms of metric units?
a. miles per hour
b. feet per minute
c. miles per second
d. meters per second

Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)

How many molecules are present in 3 mols of silicon dioxide (sio2)?

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force