Answer:
The expression that can be used is 0.80x
Step-by-step explanation:
Let
x ----> original price of an item
Remember that

That means---> the sale price is 80% of the original price
To find out the sale price, determine the 80% of the original price
----> percentage in decimal form
Multiply the original price by the percentage in decimal form to obtain the sale price
so

Hello. This is how to do it...
Step 1: Figure out what "N" means.
Step 2: Multiply whatever "N" means by -4
Step 3: Subtract -4 times "n"
Hope this will help! Im sorry if i was a pain tho...
Answer:
if i can get brainliest that would be great
IF Factor x4−10x2+25
x4−10x2+25
=(x2−5)(x2−5)
Answer:
(x2−5)(x2−5)
IF simplify
x4−10x2+25
There are no like terms.
Answer:
=x4−10x2+25
4/9+1/5=20/45+9/45=29/45 of the wall is covered up by two couches