Answer: 1)
2)
3) 13, 4) 10.
Step-by-step explanation:
Since we have given that

So, we need to find :
1) a + b is given by

2) 2a+3b is given by

3) |a| is given by

4) |a-b| is given by

Hence, 1)
2)
3) 13, 4) 10.
Answer:
well if the bottom two are 30 then that leaves you with 70
Step-by-step explanation:
B because it u and 9 friends each want the same amount from splitting 1.30 which gives you .13
Answer:
$25
Step-by-step explanation: