Deann saved y dollars last month. She saved more than 3 times as much as the amount of money her brother saved, x. Which inequality represents the relationship between the amounts of money Deann and her brother saved?
-100 POINTS-

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.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?