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ALEXANDERHONTILANO72IN
Answered

12. Square of the sum of a
number and two
13. A number less than
seven
14. Four times a number
more than one
15. One-half the square of a
number​

Sagot :

ANNKNOWN18IN

Step-by-step explanation:

12. (x+2)^2

13. n-7

14. 4n+1

15. (1/2)n^2

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