Answer:
x=8
Step-by-step explanation:
3(x-5)=9
3x-15=9
3x-15+15=9+15
3x=24
x=8
 
        
                    
             
        
        
        
Answer:
140/20
Step-by-step explanation:
If you reduce the fraction your left with just 7
 
        
             
        
        
        
Answer:
11-3i
Step-by-step explanation:
6-7i+5+4i=6+5-7i+4i=11-3i
 
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
Let's go through each set of dimensions and test them. Keep in mind that two times the sum of the length and width of a rectangle yields the perimeter.
A) 2(14+10)=2(24)=48
B) 2(70+70)=2(140)=280
C) 2(60+10)=2(70)=140
Therefore, the correct answer is C. Hope this helps!
 
        
             
        
        
        
Do a proportion.
5/32= x/800
Cross multiply and divide
800 x 5= 4,000
4,000 divided by 32= 125
So answer is 125 students