Answer:

Step-by-step explanation:
A root can be converted to a power by taking the base of the root (in this case 4) and making it 1 over that number, so in this case 
If it were the fifth root you would make it to the 1 over 5 power.
Exact form - -4/3
decimal form - -1.3 repeating
mixed number - -1 1/3
Answer:
63
Step-by-step explanation:
15.75 divided by .25 and you get 63. :3
Answer: The opposite sides in a rectangle are equal.
Step-by-step explanation:
If all sides were equal, you would have a square.
If the opposite sides were not parallel, you would not have 4 sides that meet at 90 degrees.
All angles in a rectangle are 90 degrees.