Please help me or I'm gonna fail math

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

What kind of bond pays interest which is exempt from tax?

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