So for number 2 i am 100% on which the area of the triangle is 6.
and then 1 i think not 100% sure is an acute angle again not 100% 
then 3. it don't make sense to me so idk about that 1 srry.
~Good Luck~ 
        
             
        
        
        
<span>a I took the test on ingenuity</span>
        
                    
             
        
        
        
Your answer is gonna be 98. multiply all of the numbers
        
             
        
        
        
Answer:
54.
Step-by-step explanation:
(self-explanatory.)
 
        
                    
             
        
        
        
Answer:
4x^2+15
Step-by-step explanation:
1. multiply whole parenthesis by power of 2
2. gets you 4(x^2+4)-1
3.Multply and it gets you 4x^2+16-1 so it would be 4x^2+15 for your answer
4. throw that into your calculator and make sure its not on radian mode and then press graph