Answer:6\
Step-by-step explanation:
Answer: 9.70%
Step-by-step explanation:
The formula to find the percentage error is given by :-

Given : Actual mass of zinc oxide used by pharmacist = 28.35 g
Estimated mass of zinc oxide used by pharmacist =31.1 g
Now, 
i.e. 
i.e. 
Hence, the percentage of error on the basis of the desired quantity.= 9.70%
Y int = (0,3)
x int = (-5,0)
Kate needs to swim 40 laps to come complete 66 laps
Answer:
6m + 18 ≥ 42
Step-by-step explanation:
6m + 18 ≥ 42
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