A certain ophthalmic trait is associated with eye color. 300 randomly selected individuals are studied with results as
follows:
EYE COLOR
Total
TRAIT Blue Brown Other
Yes 70 30 20
No 20 110 50
120
180
Total
90
140
70
300
What would you expect to be the value P(having the trait
and blue eyes) if eye color and trait status were independent?

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.