Which of the following groups of scores has the least amount of variability?

a) 100, 56, 101, 101, 68
b) 10, 8, 7,7, 10
c) 4, 7, 9,2,1,9
d) it is impossible to determine based on the scores provided

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal