4. Simplify the expression. Then evaluate the expression when x = 3.
12x + 4 - 4x

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

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?