How to solve: 30+7y =-2y-6
(Using linear Expression) ​

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.