It takes b minutes for sylvia's bathtub to fill with water.
how many minutes will it take to fill 3 same-size bathtubs?
write your answer as an expression.

Look at attachment. has all info needed. need

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?

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution