Answer:
2
Step-by-step explanation:
1. 20/10
2. divide numerator and denominator by 10
2. 2/1 = 2
Answer:
x = 2 1/4 or 2.25
Step-by-step explanation:
to start we can make an equation
9lbs = 4x
divide by 4
9/4 = x
x = 2.25 or 2 1/4
Yes, -9 can be written as a fraction over 1, meaning it is a rational number

This means that everybody answered the same number of items. This means that every data value is equal to the mean. This outcome permits us to say that the sample standard deviation of a data set is zero if and only if all of its values are same or identical.