A triangle has side lengths of (9.2b+8.7) centimeters, (3.2b−2.5) centimeters, and (9.8c+1.6) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Triangle jkl was dilated using the rule dm, 1/3 the image, triangle j’ k’ l’ is the result of the dilation. a.5 units b.7.5 units c.10 units d.12.5 units

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.