We are unable to answer this question without being able to see the graph.
Answer:
Step-by-step explanation:

Combine like terms. 1/4 and 7/8 are like terms and LCD of 4 and 8 is 8
9/10y and -3/5y are like terms and LCD of 10 , 5 is 10

Answer:
Step-by-step explanation:
Sum a with a-s ;b with b-s so:
0.75a + 10b + a – 2b=0.75a+a+10b-2b=1.75a+8b
Answer:
I don't know
Step-by-step explanation:
sorry
Answer:
2
Step-by-step explanation:
Divide the 2nd term by the 1st to find the common ratio or n.