Declan downloaded a game that cost $18. He has d dollars on the gift card he used to download the game. After downloading the game, he has more than $30 on the gift card. Write and solve an inequality to determine the number of dollars he had on the gift card before downloading the game.

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?