The heights of 200 adults were recorded and divided into two categories. 6 or over
Under 6
85
Male
13
Female
4
Which two-way frequency table correctly shows the marginal frequencies?

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

it has to have an angle of 90 degrees

step-by-step explanation:

there's the chart