Answer:
All of it?!
for second problem divide.
Hope this helps some.
It is the first one, so where it is marked is already correct
Answer:
kai kai is 7 in 2014
Jia Jia is 6 in 2014
Step-by-step explanation:
Is mainly just guess and check! But you can use these forumals
k+j=11
k+9=3j
Hope this helped!
-ShadyK
Answer:
y =2x
Step-by-step explanation: