Steve fossett was the first person to make a solo hot air balloon trip all the way around the world. this means he traveled about 20,400 miles in 15 days. what was his average speed in miles per hour? round your answer to the nearest whole number

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

If 20% of a number is 35, what is 50% of that number?

What describes horizontal cross section of the right rectangle 6m 8m 5m