The stem and leaf display below represents the scores of a group of students in a test. The stem represents the tens part while the leaf represents the units part. Use it
to answer the questions that follow.

Stem. Leaves
2 4 1
3 3 2 3
4 1 5 4 7 5
5 2 3 8 1
6 2 3 1
7 4 3

(i) Construct a grouped frequency table using the class intervals 20 - 29, 30–39,
etc...
(ii) Draw a histogram for the distribution.
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if she was to only spend a dollar she can get 1lb

step-by-step explanation:

explanation:

previous steps have made pa≅ pb ≅ st ≅ su. setting the compass width to ab allows you to make tu the same length. then δstu ≅ δpab by the sss congruence postulate, and ∠p ≅ ∠s by the reason cpctc.

answer: (1,3) (3,-1) (5,-5) ?

step-by-step explanation:

the answer is  

a.

4,624π mm2

step-by-step explanation: