Can someone please help me with this

Which of the following statement about pascal's triangle are true?

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.

17 in long 1.3 ft wide and 8in high what is the volume