In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. it measured 40 cm tall and 90 cm wide. find an equation of the parabola with its vertex at the origin.

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

Which representation has a constant of variation of -2.5

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?