Answer:

Step-by-step explanation:

just multiply across
-k*7=-7k
5*5=25

hope this helps
Answer:
Answer is x= 15
Step-by-step explanation:
(3x+18)+(8x-3)=180
11x+15=180
11x=165
x=15
Answer:
21 Snowmen
Step-by-step explanation:
The perimeter of your yard is 25ft + 28ft + 25ft + 28ft = 106ft
Each snowman is 5ft across, so divide 106ft by 5ft.
106ft / 5ft = 21 with a remainder of 1ft