Find the volume of a sphere with a radius of 5m. remember that the volume of a sphere is 4/3pir^3

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 solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?