Please help!! Write a real-world problem for the following equation:

2 1/2 divided by 1/4

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes