Aschool had 514 students sign up for its trivia teams. if they wanted to have 9 teams with the same number students on each team, how many more students would need to sign up? need to know if the correct answer is i think i am reading too much in to this question. you!

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters