Acubic shaped fish tank is 40 inches tall. one quarter of the tank is filled with water. if a piece of cubic shaped metal of 30 inches in height is placed in the fish tank, what is the water level in the fish tank?

Simplify. show your work. ( 6x-2 ) ^2 ( 0.5x )^4

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.