math 115
posted by Lea .
1. a bedroom is 10ft. by 11ft. what is the perimeter? = 21ft. is this correct?
2. Find the prime factorization of the number 40 = 2X2X2X5= 40 is this correct?
3. perform the indicated operatio. 6 2/9 + 1 3/4  3 5/6 = 4 5/36 is this correct?
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