18. What is the smallest and what is the largest unit of measures nearest to 6 and one-fourth inches if we are measuring to the nearest sixteenth of an inch?
19. How high is a horse if you are told that he is 7 hands high? Justify your answer.
20. What is the measure of the exterior angle of a triangle if the two interior angles opposite it measure 25 and 45
respectively?
21. Give the name, the abbreviation and the math value for each of the six metric prefixes.

i would need to see the dot plot : )

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

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

answer: it's d

step-by-step explanation: