HELP NEEDED ASAP! The equation for QR is 5y = -4x + 41. Is QR tangent to Circle O at R?

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The triangles are similar. what is the value of x? x=

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

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2