A. Tính giá trị định thức của ma trận 2A, cho biết: = (
1 2 0
3 1 1
1 2 1
)

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?