Answer:
84.05 square inches
Step-by-step explanation:
Given;
Area of N = 320×(4.1/8)^2 = 84.05 square inches
Answer:
OPTION C: The ratio is a constant.
OPTION E: The ratio is equal to b.
Step-by-step explanation:
Given: 
The ratio of f(x + 1) and f(x) = 
Since, 

Cancelling out
we get:

This shows that the ratio is always a constant and that constant is equal to b.
Answer:
y = 8
Step-by-step explanation:
11y + 4y + 60 = 180
11y + 4y = 120
15y = 120
y = 8
Answer:
There are 17,418,240 different ways to choose the teams.
Step-by-step explanation:
Arrangements of n elements:
The number of possible arrangements of n elements is given by:

In how many different ways can the teams be chosen so that the number of employees on each project are as follows: 9, 4, 2?
This is:
Arrangement of 9 elements, followed by an arrangement of 4 elements followed by an arrangement of 2 elements. So

There are 17,418,240 different ways to choose the teams.