The tree diagram shows the sample space of​ two-digit numbers that can be created using the digits 5​,9 ​, 1​, and 4. What is the probability of choosing a number from the sample space that contains both 9 and 4.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Im literally having a mental breakdown

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field