The recursive formula for a pyramidal sequence is P(n) = P(n-1) + m2. A
stack of cannonballs with 7 layers
has 140 balls. A stack with 8 layers
has 140 + 82 = 204 balls. Find the
number of cannonballs in a stack that
has 10 layers.

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

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.