The circle below is centered at the origin and has a radius of 2. What is its
equation?
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6
M
O A. x2 + y2 = 4
O B. x2 - y2 = 4
C. x2 + y2 = 2
D. x2 - y2 = 2
HELP HELP PLEASE

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

In the diagram, gef and hef are congruent. what is the value of x

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