Brainliest + Points! Need help and please show work :)

A target is made of a blue square inside of a red square. The blue square has an area of 64 square units, and the red square has an area of 196 square units.

Assuming it hits the target, what is the probability that a dart will land in the blue region?

A.
0,25

B.
0.33

C.
0.67

D.
0.75