Please help, really want to get this done.

1. 1/3 --> all sides in an equilateral triangle are equal, so the constant of proportionality would be 1/3

2. 10/4*9 = 22.5

3. 8/2 = 4

4. c/g = m

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

$12. that is my answer.