Answer:715 ways
Step-by-step explanation:
Given
There are 12 sophomores
8 Juniors
and 13 seniors
Ms. bell create a 4- member committee of seniors
No of ways of selecting 4 seniors out of 13
So, there are 715 ways of forming a 4 member senior committee.
Answer:
The length and width of the parking lot is 78 meters and 114 meters respectively.
Step-by-step explanation:
Given;
Perimeter of the parking lot =
Solution,
Let the width of the parking lot be x.
Then, according to question length = (x-36).
The perimeter of a rectangle is sum of all the sides of rectangle. Which is given by an expression;
Now substituting the values, we get;
Width =
Length =
Hence the length and width of the parking lot is 78 meters and 114 meters respectively.