Which of the following are the four primary principles of experimental design? Check all that apply. A. Blindness
B. Control
C. Replication
D. Blocking
E. Randomization

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?