Need ! stephen kiprotich, the 2012 olympic marathon winner, completed the 26.219 miles in 128 minutes. what was his speed in kilometers per minute? what steps should you take to solve this problem?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%