Answer:
A is the correct answer
Step-by-step explanation:
Because the dot on -1 means -1,2 and the dot on -5 means -5,2 I hope this helps
A rebate means that the buyer receives back a portion of
the original price of the item. So in this case, the rebate prices must be
deducted from the original price to get the final price, that is:
final price = $2,746 - $49.95 - $38.95
<span>final price = $2,657.1</span>
Matrix A has 3 rows, 2 columns
Matrix B has 3 rows, 2 columns
The number of columns in matrix A (which is 2) does not match up with the number of rows in matrix B (which is 3).
So the matrix multiplication A*B is undefined. We cannot multiply the matrices.
Answer:
120960
Step-by-step explanation:
Given that a librarian has a set of ten different books, including four different books about Abraham Lincoln.
The librarian wants to put the ten books on a shelf with the four Lincoln books next to each other, somewhere on the shelf among the other six different books.
First arrnage the 6 other books in the shelf.
This can be done in 
Now arrange the 4 books of Lincoln
This can be done in 
Now we have 7 places to insert Lincoln books including two corners and in between.
Thus this can be done in 7 ways
Total no of ways = 