Write and simplify an expression for the perimeter of the figure

The surface area of the triangular prism is .

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.