Answer:
A.) 3 different fertilizer treatment groups and 4 different watering schedules in each of three groups. Results in 12 different combinations of watering schedule and fertilizer.
B.)
Type of drug given and type of diet are the explanatory variables in the study. They are controlling the effect of medication and diet on changes in blood pressure
Answer:
3/5
Step-by-step explanation:
![\frac{27}{45} = \frac{27 \div 9}{45 \div 9} = \frac{3}{5} \\](https://tex.z-dn.net/?f=%20%5Cfrac%7B27%7D%7B45%7D%20%20%3D%20%20%5Cfrac%7B27%20%5Cdiv%209%7D%7B45%20%5Cdiv%209%7D%20%20%3D%20%20%5Cfrac%7B3%7D%7B5%7D%20%20%5C%5C%20)
Only difference your example has 11 and here it's ten
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