Answer:
1. -60
2. 32
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
To find out the area of the sidewalk, multiply the length by the width of the sidewalk
The width of the sidewalk is equal to

or

The area is equal to

Answer:
median
Step-by-step explanation:
The centre of every data set is the second quartile/50th percentile/median
Answer:
x2 2.75
Step-by-step explanation: