Answer:
10
Step-by-step explanation:
1. 2(4.5)+1
2. 9+1
3. 10
 
        
             
        
        
        
Answer:
the answer is -1
Step-by-step explanation:
-1/-1 is the fraction lol
 
        
                    
             
        
        
        
Answer:
A. -68
B. 37
C. -61
D. 171
Step-by-step explanation:
Rule for A, B, D: 2 negatives is the same as addition 
(how I did C: add them together then add the negative) 
 
        
             
        
        
        
<span><span>x = x^2 - 30
or
x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0
x = +6 is the positive number</span></span>
        
             
        
        
        
Answer:
a. 36
Step-by-step explanation:
for (n^2-38)/(n+1) to be an integer, n+1 must completely divide, n^2-38.
we check with the options
option a n=36 sutisfies the above condition.
(36^2-38)/36+1 = 1258/37= 34 , which is an integer. Therefore, largest integer would be 36