In a frequency distribution, the first class interval begins at 18. The midpoint of the first class interval is 19.5, and the midpoint of the last class interval is 49.5. How many class intervals are there?

a. 11
b. 17
c. 22
d. 33
e. 34

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation:

you would have to sell 24 bracelets.

step-by-step explanation:

84/3.5 = 24

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

30005

yes ok