D. Scatter plot
Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. However, they have a very specific purpose. Scatter plots show how much one variable is affected by another. The relationship between two variables is called their correlation.
Hang can read one page in 1.6 min
Kira can read one page in 2 min
Joe can read one page in 1.5 min
Quon can read one page in 1.4 min
Lulu can read one page in 1.3 min
Lorenzo can read one page in 3 min
Joe, Quon and lulu have a lower ration and the others have a greater ratio
Answer: 360
Step-by-step explanation:
Well if you take 640miles and divide it by 16 gallons you get 40mpg so if you get 40mpg times that by 9 and you get 360miles
Factors of 21={1,3,7,21}
Factors of 63={1,3,7,9,21,63}
the highest common factor (HCF) is 21.