I believe that the answer is <span><span>2<span>m2</span></span>+<span><span><span>−1</span>4</span>m</span></span>+<span>7<span>4 </span></span>
        
             
        
        
        
Answer:
D
Step-by-step explanation:
1. Remind that 

Here you can use trigonometric table to find the value of  , or you can remind that
, or you can remind that  and
 and  because special right triangle 45°-45°-90° is isosceles (with congruent oppposite and adjacent legs) and the ratio between the opposite leg and adjacent leg is equal to 1.
 because special right triangle 45°-45°-90° is isosceles (with congruent oppposite and adjacent legs) and the ratio between the opposite leg and adjacent leg is equal to 1.
2. Now

because 

 
        
             
        
        
        
Answer:
x < 3
Step-by-step explanation:
Yup
 
        
                    
             
        
        
        
Answer:
320 i think
Step-by-step explanation: