Answer:
Histograms are used to show distributions of variables while bar charts are used to compare variables. Histograms plot quantitative data with ranges of the data grouped into bins or intervals while bar charts plot categorical data.
Step-by-step explanation:
His brother is 2 years old
8 ( 20divided by 15=1.333 then times that by6)
And
60 (triple 15)
Answer: 
Step-by-step explanation:

Move the g-terms to the left side. and the independent terms to the right side. Remember to change the sign if you move from one side to another.



Divide by -1 on both sides to make g positive. When it comes to dividing by negatives in inequalities, the inequality sign changes direction.


Answer: y = 8
Step-by-step explanation: