Answer:
use a calculator
Step-by-step explanation:
also if this is easier change 1/2 and 1/3 to 0.5 and 0.3 where it would be 8.5 x 3.3
Answer: 16
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
The value of z-score is given by :-
For x= 115
The p-value : 
Now, the number of people smarter than Many is given by :_
Hence, there are 16 members smarter than Mandy.
Answer:
what form?
Step-by-step explanation:
Answer:
The answer is 3x^2+7x+2
Step-by-step explanation:
Multiply each term of the second bracket with the first bracket.
We can write:
(x+2)(3x+1)= 3x(x+2)+1(x+2)
By multiplying the terms we get:
=3x^2+6x+x+2
Now simplify by combining like terms:
=3x^2+7x+2
Thus the answer is 3x^2+7x+2....
