Answer:
13 books
Step-by-step explanation:
15 + 8 = 23
23-10=13
It's probably A (I can't tell you for certain, because I can't see the image, but the other options seem illogical).
Answer:
No
Step-by-step explanation:
6:2 and 9:4
6:2 would simplify to 3:1
9:4 cannot be simplified
Answer:
Yah, it can as long as it has three sides
The answer is the third option. 3 more means 3 +, the quotient of 9 and a number cubed means 9 divided by n cubed, and decreased by 2 means subtract 2.