Answer:
If Oscar the ostrich travels 126 miles in 3 hours . that means he travels 42 miles in 1 hour. so 42mph
Well think the answer is x = 14/9 but I don't think there is a full number for this equation.
It would be 5 2/15 as 3/5 = 9/15. 14 - 9 = 5. 9/15 - 7/15 = 2/15 so 5 2/15
I’m not sure maybe someone else will help
Answer: Mrs.Buller collects a 500-ml sample of seawater for her chemistry class, and it has 1.94% of chlorine, we have to determine the amount of chlorine in the sample:

Therefore the chlorine content in 500ml of water is 9.7ml.