Find the inverse of T : x1 x2 7→ x2 x1 . Write down its standard matrix and its inverse’s. Verify the product is indeed I2.

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)