Answer:
Read below.
Step-by-step explanation:
The total number of branches end of the tree is the denominator of the fraction form of probability.
All the total possible outcomes in an organized list will give you a denominator because that's all the outcomes that can happen from that set of data.
25, because a cube that is 10x10 would have an area of 100. and the cubes that are 2x2 would have an area of 4. so you take 100 and divide it by 4. answer is 25.
Range is ] -20 , -10 [
both points are disclude according to the empty circle