Answer:
37.5%
Step-by-step explanation:
 
        
             
        
        
        
900=(1/2)*b*10*15
1800=150b
b=12
 I hope you can figure out FC with this info.
        
                    
             
        
        
        
Answer:
39
Step-by-step explanation:
g(x)= -2x+2 and f(x)= 3x^2+4
(g+f)(-3)
g(-3) = -2(-3) +2 = 6+2 =8
f(-3) = 3 (-3)^2 +4 = 3(9)+4 = 27+4 = 31
(g+f)(-3) = g(-3) + f(-3) = 8+31 = 39
 
        
             
        
        
        
Answer:
eight people drink 6 glasses of water
Step-by-step explanation:
 
        
             
        
        
        
The answer is 4 (136y-21) 
Explanation: 
Factor 4 out of 544y.
4 (136y) - 12*7
Factor 4 out of -12*7.
4 (136y) + 4 (-3*7)
Factor 4 out of 4.
(136y) + 4 (-3*7)
4 (136y- 3*7)
Multiply -3 by 7.
4 (136y - 21)