19. A student notices that when a weight is hung on a spring, the spring stretches. She decides to conduct an experiment to determine the relationship between the amount of weight placed on a spring and the distance the spring stretches. She has five different weights: 25 9,50 9,75 9, 1009, and 125 9. She selects a weight, hangs it on the spring, and
measures how far the spring stretches.
What should be kept constant throughout this experiment?
O the time of day when the experiment is performed
O the distance the spring stretches
the spring that is used
the weight hung from the spring

the first step is making objective observations.

they have to be based on a certain event and can be confirmed by others if it is right or not.

do you have a formula possibly

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.