20 plants were measured and their heights recorded in cm. Here are the heights:
b) Draw a frequency polygon
8.2 6.5 2.7 19.4
to represent the data.
16 14.1
17.1 14
8+
4.9 2.9 15.5 7.3
15 4.4 11.8 13.9
7
10.2 4.6 19.5 7.3
6
Frequency
a) Complete the frequency table.
Height, h cm Frequency
0 5
5 10 2
1
15 < h = 20
0
0
20
5 10 15
Height, h (cm)

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.