What percentage of students has an arm span of at least 170 cm?
41%
45%
55%
59%
The stemplot below displays the arm spans, in
centimeters, for 44 students.
Arm Span (cm)
143
14 | 8
15134
155 69
16 | 0 1 2 2 2 2 3 3 4 4
16 5 5 6 799
1700 13
17 5 6 99
18 0 0 1 2 2 3
18 6 69
19 02
19
20 2
Key: 15/5 = 155 cm

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step-by-step explanation: there is no picture

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this