X=-4a^2+3ab+12b^2 Y=9a^2+ab-7b^2 Y+X=

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Arrange these numbers from least to greatest 3/5 5/7 2/9

Hundred and tens tables to make 430 in five different ways

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?