What is the surface area of a rectangular prism with a base length of 9 yards a base width of 6 yards and a height of 4 yards

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.