1^2 + 4^2 + 7^2 + ... + (3n - 2^)2 = quantity n times quantity six n squared minus three n minus one all divided by two

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

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.

What is the result of adding the system of equations? 2x+y=4 3x-y=6