Answer:
The answer is B.-3/2
Please correct me If I am wrong
Step-by-step explanation:
I use 
Also, you automatically know that the line is decreasing
Answer:
6.5
Step-by-step explanation:
7 5/8 + 5 3/8= 13
13/2=6.5
all of them is not a quadratic equations
Answer: 30/40+16/40 and 15/20+8/20 pls mark brainliest
Step-by-step explanation:
You know that 3/4+2/5=23/20.
Now select the other expressions equal to that. They are: 30/40+16/40 and 15/20+8/20
80+20 is ten times 8+2, if you factor out 10 from 80+20 we get 10(8+2)