When creating a histogram, the first recorded scale is 0 to 20. What should the second scale indicate? A. 20-40 B. 21-41 C. 21-40 D. 21-39

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?

What is the interquartile range of this day at set?