You buy a bookshelf. the label on the box says the bookshelf is 5151 inches tall. how tall is it in feet?

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation

What is the measure of angle 3? a. 120 degrees b. 90 degrees c. 45 degrees d. 30 degrees