25%
since there are 4 books, and only one is a mathematics book, there is a 1/4 chance. in other words, 25%
Answer: anwser is D if thats incorrect then its A
Step-by-step explanation:
Answer:
r=-6
Step-by-step explanation:

Answer:5 million
Step-by-step explanation: Because 300 thousand is below 500 thousand so if its below 500 thousand it cant round up it rounds down.
It is a scalene triangle. All sides are of different lengths.