What unit of measurement can you use to measure fabric

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

What is not true about kl and mn? what is mn? (show )

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )