The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?


The above equation can further be written as:

New mean = 
= 66.09
Therefore, the new mean is 66.09
Answer: -38,686
Step-by-step explanation:
3 x 4= 12
-19 x 2037= -38,703
12 + 15= 17
17 -38,703= -38,686
Assuming the possible digits are from 0-9, there are 10*9*8 possibilities which come out to 720
The coordinates of r is ( 4, -1 )
Answer:
y=3x-14
Step-by-step explanation: