Calculate the relative frequency of the data to determine which association the two-way table suggests ОА.
Those who have a brother tend not to have a sister
ОВ.
Those who have a brother tend to have a sister
OC. None of the associations listed are correct.
OD
Those who do not have a brother tend not to have a sister

here you hope this .

step-by-step explanation:

hypotenuse = √(15² + 8²)

=  √(225 +64)

=  √(289) = 17

sin(x) = cos(y) = 8/17

they are identical so long as you are doing the sine of one angle and the cosine of the only other angle that isn't the right angle.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

answer: 0.1,0.85

step-by-step explanation:

step-by-step explanation:

infinity is the answer