1.what is the sum of -12 and -27
2. what is the product if ( -14) is multiplied by (+3)
3.what is (+121)divided by (-11)
4.what is 5× subrated from -23×?
5.(7m) when multiplied by (m+3) is equal to?
6.56y⁷ when diveded by 7y² gives the resuts of?
7.what is 4×y when x=2 and y=_3?
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