Answer:
5
Step-by-step explanation:
a²+b²=c²
In this case c is 13 and b is 12
a²+12²=13³
a²+144=169
Subtract 169 and 144 to find a
169-144=25
The square root of 25 is 5
Answer:
Reflexive property
Step-by-step explanation:
Reflexive property is when the value equals its self and they just commuted the letters.
Hope I explained it well I am bad at explaining things lol
4 parts because just add the parts together
Answer:10
Step-by-step explanation:
multiply
10x2=20
5x2=10
20+10=30