2 4-1: Lesson Quiz 4-1: MathXL for School:
1 Practice & Problem ..
In Progress
Question Help
X4.1.PS-14
Evaluate the expression for the given value of the variable.
4
52 + en
5'
1
n=-
2
4
52 +5 n=

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Rounded to the nearest tenth, what is the value of x