How do you solve the following equation. Make sure to use evidence as to how you got your answer. -15 + (-7)

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

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base