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3. 3 and 4

4. 5 and 6

5. x=-3

Step-by-step explanation:

3. is between 3 and 4 because 3 is equal to and 4 is equal to . Since 11 is in between 9 and 16 this is the answer.

4. Same thing, except since 5 is and 6 is , and 34 is between 25 and 36

5. The equation is -31=4x-19, and we need to isolate x

First, add 19 to both sides

And next divide both sides by 4 to get

answer: $34.31

step-by-step explanation:

$11.99 x 3 = $35.97

$35.97 - 10% = $32.37

$32.37 + 6% = $34.31