Find volume. Round to nearest tenth

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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.