Answer:
Step-by-step explanation:
We have been given that Niu has decorated x cards. He started with 24 stickers and he used 4 stickers per card. So stickers used in x cards will be 4x.
As initial number of stickers was 24, so we can find number of stickers left after decorating x cards by subtracting number of stickers used in x cards from 24.

Therefore, the expression
will represent the number of stickers that Niu has left after decorating x cards.
Answer:
$1200
Step-by-step explanation:
180 divided by 9 is 20, so they earned $20 per car washed. They want to wash 60 cars, and if they wash 60 cars they would earn $1200. (60 x 20)
Answer:
B.
Step-by-step explanation:
Just took it. Edg 2020. Hope this helps :)
The area of the frame would be 19.25’
Circumference: 21.991 feet
Area: 38.485 feet