lets use A as the variable for pages in the algebra book since there is none given for how many are in the algebra book
the best equation would be A-99=n
hope this helps
Answer:
I don't understand could you explain it.
Step-by-step explanation:
Answer:

Step-by-step explanation:
Donna's Rate is 
Rico's Rate is 

Cross-Multiply



Donna's Rate is 
Rico's Rate is 

No.
This rate of refusals seems quite low, actually. Some polls are lucky to get a 50% answer rate.
Step-by-step explanation:
angles a,f,g form a triangle
sum of angles in ∆ = 33 + 112+ a = 180
145 + a = 180
a = 35°