Answer:

Step-by-step explanation:
Given
2 number die
Required
P(Sum = 4)
The sample space of 2 die is:


The pairs that adds up to 4 are:


So, the probability is:


The Answer: (-b + 15) (15 - b)
5x+ (5)15
or
5(x+15)
I hope this helps
Answer:
A) 24
Step-by-step explanation:
4!
4 x 3 x 2 x 1
24
P(7,6), Q(1,6), R(4,2)
We have PQ parallel to the x axis. We'll call that the base,
b = 7 - 1 = 6
The altitude is then the y difference h = 6 - 2 = 4
The area is 
Answer: 12 square units
In general we can use the shoelace formula for the area of any polygon given coordinates. We write the points like this:
(7,6), (1,6), (4,2)
(1,6), (4,2), (7,6)
The area is then half the absolute value of the sum of the cross products:
