A straight driveway leading to a hotel is 150 feet long and 12 feet wide. It is pave with concrete 6 inches thick. At a cost of $6.25 per cubic foot, how much did the concrete cost.

The mathematical expression 9€ t means

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?