HELP ME PLEAS!!A strool will need 678 masks for the students. If each package has 12 masks, how many packages will they need to buy
55 packages
56 packages
57 packages
58 packages

57 packages.

Step-by-step explanation:                                                                                               Just do 678 divided by 12 on a piece of paper or your calculator (or your head). The answer will be 57. You may ask, why? The answer is actually 56.5. Don't let B fool you. Since 56.5 is more than 56, B is wrong. However,  you can take the remaining masks and store them in the 57th package. So C is correct.

means if you're already damaged some way when you take out a medical insurance you will not get full compensation for that injury that you already have.

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column