6x-2x+8y-6y
5x + 3x x 2y +4y can someone help me with these questions l forgot how to do it.

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

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

Is a square always, sometimes, or never a parallelogram