Question: The number of animal births at a local zoo, displayed in five year intervals.
Answer: Histogram
Question: A comparison of the top songs by two schools.
Answer: double bar graph
Question: Top four ice-cream flavors chosen by the students, expressed in fractions.
Answer: Circle graph
Question: A change in the heart rates of two people over a period of an hour.
<span>Answer: Multiple line graph</span>
Answer: 3
Step-by-step explanation:
16+3=19
Area is square units, so the new area would be the scale factor squared:
Scale factor is 2, so the area would increase by 2^2 = 4
The answer is B.4
The first choice is your answer