If the mean of five values is 8.6 and four of the values are 10, 7, 8, and 7, find the fifth value.

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?