Based on the graph, which statement is correct about the solution to the system of equations for lines a and b?
a. (4, 2) is the solution to line a but not for line b
b. (4, 2) is the solution to both lines a and b
c. (0, 0) is the solution to both lines a and b
d. (0, 0) is the solution to line a but not for line b

What are the soultion(s) to the quadratic equation 40- x^2=0

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

The anwser cause i do not understand just plez