Monroe and Kalyani solved the following system: = 3 + 1
= − + 5

Monroe used substitution and found the solution set to be (1,4) while Kalyani graphed and found the solution set to be (2,7).

Who is correct?
Kalyani Monroe

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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