Answer:
The average of all textbooks is $38.60.
Step-by-step explanation:
Here's why to calculate average we do sum of all numbers divided by the number of numbers, for example if we average 2 and 3, we do 2+3 divided by 2. Which happens to be 2.5. Now for this problem we divide the sum by 3.
Therefore getting our answer of $38.60.
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A. 7*4
because there are no parentheses or exponents so multiplication is next
Answer:
D. because sides of the parallelogram are equal and they do not have congruent .
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The answer is the the second or B
