Answer:
30/7
Step-by-step explanation:
2 x 10 -13
20 - 13
7
4 x 10 -10
40 - 10
30
Answer:
p(14,9)
Step-by-step explanation:
steps are in picture.
Note: if you have any question about it you can ask.
Answer:
c
Step-by-step explanation:
Answer:
The twins would be 13 years old.
Step-by-step explanation:
21+21+21+13+13 = 89
21g-6f-8g
13g-6f is the answer
combine like terms