Answer:
18 pencils
Step-by-step explanation:
she had 18 minus 5= 13 hope this helps
Answer:
(a) The product of the sum of a and b and their difference.

(b) The tripled product of 6a and b².

(c) The difference of the squares of 2m and 7n.

Here is your answer for part A .06 and .006
Answer: centroid
Reasoning: The centroid is the point of concurrency of the three medians in a triangle.
Solution :
Given :
X = the number of boys in a family of four children
Families having four children are chosen randomly.
The gender distribution in the four child family are equally probable.
Thus,
X P(X) CDF
0
= 1/16 
1
= 1/4
2
= 3/8 
3
= 1/4 
4
= 1/16 1