What is the rate is erica finished 12 math problems in 27 minutes?
27 minutes / 12
problems
12 problems/ 27 minutes
12 problems in 27 minutes
0.45 problems / 1 minute

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Find the slope of the line passing through a pair of points