Answer:
69 hours
Step-by-step explanation:
just subtract 72-3 and 69 is the answer
162 plants, if 60% of the plants live you can set it up like this: 60/100 = X/270, to find X, you cross multiply and divide by 100
Answer:
5
Step-by-step explanation:
If you multiply the square root of any number by the square root of the same number you get that number.
