Can anyone me answer this geometry math question grade 10 ? soon as possible!

a pottery mold makes bowls that are in the shape of a regular heptagon. find the measure of one of the interior angles of the bowl.

another geometry math question ?
find the sum of the measures of the interior angles of a convex octagon.

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

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step-by-step explanation: