What are your questions? If so what type of mathematic class: Algebra, Algebra 2, Geometery, Trigeometery, Pre-calculus, Calculus..
        
             
        
        
        
Answer:
The middle point is 3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
907.46 in²
Step-by-step explanation:
mirror = 3.14x15x15=706.5
mirror with frame = 3.14x17x17 = 907.46 in²
 
        
             
        
        
        
Answer:
Sooru
Step-by-step explanation:
I really donot know but i will help u dont worry
 
        
             
        
        
        
Answer:
x=3, -5.
Step-by-step explanation:
x^2+2x+25=40
x^2+2x+25-40=0
x^2+2x-15=0
factor out the trinomial,
(x-3)(x+5)=0
zero property,
x-3=0, x+5=0,
x=0+3=3,
x=0-5=-5.