What are the center and radius of the circle defined by the equation
x2 + y2 - 6x +4y+4= 0 ?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

What number line represents the solution set for the inequality -1/2 greater than or equal to 4