Answer:
the answer is 7.5
Step-by-step explanation:
took the quiz on edge ;-)
 
        
                    
             
        
        
        
Answer:
x=−3 or x=−7
Step-by-step explanation:
Let's solve your equation step-by-step.
3(x+5)2−12=0
Step 1: Simplify both sides of the equation.
3x2+30x+63=0
Step 2: Factor left side of equation.
3(x+3)(x+7)=0
Step 3: Set factors equal to 0.
x+3=0 or x+7=0
x=−3 or x=−7
 
        
                    
             
        
        
        
Either a or b. C and d don’t make sense cuz there’s no way those lines are perpendicular
        
             
        
        
        
Option D. However, despite its many utilitarian benefits, colleges have not always supported the study of philosophy.
Which choice most effectively sets up the information that follows?
- Despite philosophy teaching useful tools for academic and professional achievement, only 18 percent of the American colleges incorporated the course within curriculum, thus indicating their lack of support. 
- Hence, Option D is correct. The other  options do not express this condition.
To know more about reading comprehension, refer:
brainly.com/question/23343740
#SPJ4
 
        
             
        
        
        
I am not sure on this sorry .......  I think it's $5.00 .....