Use Photomath it’s a good app for math
Answer:
I think they have 2, I could be wrong though
Step-by-step explanation:
Answer:
The coefficient of the term 13a is, 13
Step-by-step explanation:
Coefficient term are the numbers that multiply the variables or letters
In the given expression: 
13a means 13 times a , and a is the variable,
so 13 is the coefficient .
6b means 6 times b , and b is the variable ,
so 6 is the coefficient .
therefore, the coefficient of the term 13a in the given expression is, 13.
Answer:

Step-by-step explanation:

♨Rage♨
3 and 7 : corresponding
2 and 7 : altern extern
4 and 5 : altern intern
3 and 6 : altern intern