Answer:
B. 50%
Step-by-step explanation:
Step by step by me I guess
 
        
             
        
        
        
F(180) = x/30
= 180/30 = 6 gallons of gas is needed
 
        
             
        
        
        
Not true, at least not always. When we are talking about an isosceles triangle there will be two equal altitudes and one is different. In case of a regular triangle all the other three altitudes have equal length! :)
        
             
        
        
        
I’m assuming this is -x^2 = 15 
standard form: -x^2 - 15 = 0
        
             
        
        
        
Answer: Commutative Property of.
Addition
Step-by-step explanation: