1/2x + 5 = 35
You use 1/2 because she sold half of her books . Then +5 because she gained 5 back and 35 because your end total should be 35. 
Hope this helps ! :)
 
        
        
        
Answer:
Step-by-step explanation:
(x - 3)/2= 1
x - 3 = 2
x = 5
(y - 8)/2 = -2
y - 8 = -4
y = 4
(5, 4) coordinates for B
 
        
             
        
        
        
Answer:
A.
Step-by-step explanation:
Volume of cone = 1/3πr²h
= (1/3)(3.14)(1.5)²(5)
= (1/3)(3.14)(2.25)(5)
= (1/3)(35.3)
= 11.78
≈ 11.8 cubic inches
 
        
             
        
        
        
Answer:
5xn+5
Step-by-step explanation:
if you times 5 by n amount of days you will get how much he would have on that day but you need to add 5 as he added 10 on the first day
hope that helps 
(if that doesn't work try 5xn+10)