Answer:
-42.75
Step-by-step explanation:
im assuming that the constant speed is by every second so -2.25 for 19 seconds would be -2.25 times 19 which equals -42.75
It's the difference between the upper quartile and the lower quartile
Speed=distance traveled/time of the travel=78/2=39 mph
The answer is 6.5
welcome!
Answer:
It is because it comes from the word 'ratio'. A rational number is usually known as the ratio of two integers, that's how it got its name. :)