Complete the equation of the line whose slope is -2 and y-intercept is (0,3).

Solve 3x-18=2y and 5x-6y=6 by elimination show work

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?