jdhxhc
jdhxhc
07-02-2018
Mathematics
contestada
I need urgent help to answer this question
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anniemli
anniemli
07-02-2018
plug in the numbers
B=4(25)-(9)^2
B= 100-81
B=19
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unknown9999
unknown9999
07-02-2018
b=25*4-9*9
=100-81=19
so 19 is your answer
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