Desenvolva os produtos notáveis: a) (3x + 2y)2 =
b) (5x – 3y)2 =
c) (4x – 2y)(4x – 2y) =

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.