Aclassroom is 24 metres long and 21 metres wide. find the area of the classroom

The formula for the area of a rectangle is:

Length × Width

OR

L ×  W

In this case...

L = 24 m

W = 21

^^^Plug these numbers into the formula for the area of a rectangle

24 ×  21

504

The area of this class room is 504

Hope this helped!

~Just a girl in love with Shawn Mendes

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3