How would I do this and work it out ? Only 15-17 please help me !!

u need to find the square root, I hope u can understand I'm really bad at explaining

Step-by-step explanation:

so the symbols around the number means square root of...I'll give u an example

square root of 4

so 2×2=4, the square root has to be the same number like 2 and 2

if u need to find the square root u can multiply the numbers such as..

1x1

2x2

3x3

4x4

5x5

6x6

7x7

8x8

9x8 etc.

unlit u find the square root of any number. if u find the closest number but it's not quite the square root u can use decimals as well!

as I said I am terrible at explaining so let me know if u need any clarification

1.4

2.3

step-by-step explanation:

the formula for the constant of variation is

y= kx

divide each side by x

y/x =kx/x

y/x =k

we know a and y

1.   y/x = k

4/1 =4

check the other values to make sure they are the same

8/2 = 4   12/3 =4   and 16/4 =4  

the constant of variation is 4

2.   y/x = k

3/1 =3

check the other values to make sure they are the same

6/2 = 3   9/3 =3   and 12/4 =3  

the constant of variation is 3

the balance is found at the link

step-by-step explanation: