Ally dropped a stone from the top of a cliff. the height of the stone throughout its flight is shown below.

select the most appropriate unit to measure the amount of time that the stone remains in the air.

a.
hours
b.
minutes
c.
seconds
d.
milliseconds

B. Minutes because it wouldn’t take hours for her to drop it and it wouldn’t take seconds/milliseconds

Hours because u would have to go all the way down.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

Distance=slopeslope is -2/4which equals-1/2the distance between these two points is -1/2