She needs to purchase a cover to protect the hot tub of an area of 38.5 square feet.
<h3>What is a circle?</h3>
It is a locus of a point drawn at an equidistant from the center. The distance from the center to the circumference is called the radius of the circle.
Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub.
The area of the circle is given by

We have d = 7 ft, then the area of the circle will be

More about the circle link is given below.
brainly.com/question/11833983
Answer:
1 pound of cheese is $2.80
Step-by-step explanation:
8.40 divided by 3 is 2.80
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Change 6% into its decimal form which is 0.06 then multiply it by 500.
500*0.06= 30
30 is the 6% of 500
Answer:
Carter's football team lost 8 games.