It takes mat 30 minutes to walk to school. it takes leo 80% as long to walk. how long does it take leo to walk to school?

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.

How many terms does the polynomial x^2 y^2 have

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so