May someone help me I’ll give you brainiest

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Why do interests rates on loans to be lower in a weak economy than in a strong one

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