Answer:
1/4 feet long should each pieces be.
Step-by-step explanation:
Unit rate defined as the rates are expressed as a quantity of 1 such as 3 miles per second or 4 km per hour
As per the statement: Becky has a board that is 2 and 3/4 feet long.
⇒ Length of a board =
feet
Also, she need to cut the board into 11 pieces.
by unit rate definition:

or

Therefore, 1/4 feet long should each pieces be.
Ther is 4 juice cartons. 4+9=13. so it would be 4/13
Be more descriptive of the problem
You should aske them together in 1 quesiton (I am assuming the scale had 5 pounds before)
so 5-2=3 pounds
to ounces=3 times 16 since 16 oz pper ppound
3 times 16=48 oz
Answer:56.63
Step-by-step explanation: Cosx = 11/20
x = invcos(11/20) = 56.63
(make sure calculator is in degrees when solving angles)