Answer:
1) B. Combine-like terms
2) A. Subtraction Property of Equality
3)D. Division Property of Equality
Step-by-step explanation:
What we know:
Lot= 21 x 30ft
Perimeter=2l+2w
Want to put 4 corner post and one post every 3 ft
What we need to find:
How many post we need.
Perimeter=2 (21)+2 (30)=42+60=102ft
102/3=34
34 posts are needed.
I’m timed on this I need help as well
Answer:40 pages in 8 hours
Step-by-step explanation:
5 times 8 is 40 3 times five is 15
124 square units
you just have to count the top, bottom, and a side and times by 2