Khi m=4 cho ma trận A= -3 -2m-2 2-2m 2 2m+1 2m-2

-2 -m+1 2-m

a. Chéo hóa ma trận A

b. Từ kết quả câu a, tính A mũ 10

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

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.

What other information do you need to prove triangle dac=bca by asa