Please help ! And , give the right answer please .

none of them are constant of proportinality.

Step-by-step explanation:

because if you divided each one. you do not get the same answer. if you did it would have to be either  of the others, but in this case there is no constant of proportinality in that chart

D( not proportional)

Step-by-step explanation:

3*4= 12

6*4= 24

9*4=36

12*4=48

The two lasts x and y values are not proportionate because they don’t follow the same order of times 4

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

you can use a^2+ b^2=c^2