One box is 3.8 inches tall. mary stacks 7 boxes. about how tall is the stack of boxes?

If 3x+8=3x+8 is it one solution or no solution

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Simplify the following expression 48^1/2