Answer:
a=5
Step-by-step explanation:
a^2+b^2=c^2
c^2-b^2=a^2
13^2-12^2=a^2
169-144=a^2
25=a^2
5=a
Answer:
1. The second number line, the third number line, the first number line.
2.



Answer:
Step-by-step explanation:
Surface area = 4*lateral faces + 2*bases
- A = 4*30 + 2*25 = 170 ft²
Answer:21
Step-by-step explanation: solve whats in the numerator then solve whats in the denominator then you divide
Answer:

Step-by-step explanation: