18000 grams greater or less than 10 kilograms?

First convert 18000 grams into kilograms by dividing by 1000;

=18kg
Thus 18000 grams is greater than 10 kilograms

The formula for quadratic equations is written in the format ax^2 + bx + c = 0
So, we first need to rearrange Isabella's equation to match the latter format:
4x^2=13x-3
4x^2-13x=-3
4x^2-13x+3=0
The values that match up with the quadratic equation are a=4, b=-13, c=3, therefore your answer is A