I did watch but did not understand how she got her answers and How many nickels in Jars? How many dimes in Jars? How many Nickels?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?