Answer:
amusing you mean 3x^2-8x-16 the answer is when x is equal to -4/3 and 4
Step-by-step explanation:
3x^2-8x-16 ------> (3x+4)(x-4)
3x+4=0 ----> 3x=-4 ----> x=-4/3
x-4=0 ----> x=4
 
        
             
        
        
        
Step-by-step explanation:
Use the sine and cosine trig functions
21) cos(52)=13/x
x=13/cos(52)
x=21.1
22) sin(75)=6/x
x=6/sin(75)
x=6.2
 
        
             
        
        
        
It would be 12.5 square miles I would appreciate the Brainliest
        
             
        
        
        
Ahh i hope im in time to help! 
The answer is C, 46
Hope this helped pls mark be brainliest!!!
 
        
             
        
        
        
58.3 I think....hope it helps