Answer:
Step-by-step explanation:
The number inside the square root symbol is the number you have to get when you multiply a certain number twice.
So 
:
What multiplied by itself is 121?
Backwards equation:
Do not do the backwards method all the times, it does not work for all numbers.
In all you will need 48 square inches of gift wrap. 4*6= 24 and 24*2= 48
Answer:
The Answer is: 63°
Step-by-step explanation:
The angle 117° is the key information. Across the line, the angle 117° is part of the 180° across the line. Angle RMN is equal to 180° - 117° = 63°
Answer:
162 pieces
Step-by-step explanation:
Andrea has 18 yards
How many 4 inch pieces can she get?
Convert
1 yard = 3 feet
18 yards = 54 feet
1 foot = 12 inches
54 feet = 648 inches
Divide
648 inches ÷ 4 inches = 162 pieces
Hope this helps :)
