Answer:

Step-by-step explanation:
A suitable common denominator is 4k^2. (This eliminates the first and last choices.)

Answer:
50%
Step-by-step explanation: A box plot demonstrates how data is concentrated. Since the middle of the box in a box plot represents the median of the data, the box encompasses half of the data points.
He needs 1/2 cup because 3/4-1/4=2/4 which is simplified to 1/2
Simplification/ 15x^6-20x^5+10x^4