* 1. Area of General Quadrilateral:
1 point
O h(a+b)/2
d(h1+h2)/2
O (d1x d2)/2
O 2h(1+b)

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

What does independent variable and dependent variable mean in math?