Heidi swims 2/3 of a kilometer in 2/3 of an hour.What is Heidi’s speed in kilometers per hour? Show your work or explain how you
1 answer:
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Answer:
attached below is the solution
Step-by-step explanation:
|x| < 7
= -7 < x < 7
| y | < 3
= -3< y < 3
attached below is the shaded region in the xy-plane
