Which is greater -1 upon 2 or -1 upon 4​

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

How does the graph of y = 3x compare to the graph of y = 3-x?

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2