Joann wants to reduce the area of a poster is to be 2/3 of the original size. Match the original dimensions in the left column with the correct new area in the right column.

Here are my problems.

30in. By 12in.
30in. By 15.in
12in. By 18in.
12in by 60in
The choices are 240, 144, 480, and 300

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)