Answer:
the answer is -1.8
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A. Answer is 2263.
Checkpoint 1 is -86 Checkpoint 4 is 2177
Subtract -86 from 2177....2177-(-86)   
=2263
2263 is how much higher checkpoint 1 (-86) is from checkpoint 4 (2177)
B. 239 FEET.
the altitude of the hill must be subtracted by the depth of the ckeckpoint(2)(-189)
therefore the altitude of the hill comes out to be 428-189=239feet.
therefore,the actual altitude of the hill is 239 feet.
 
        
             
        
        
        
Answer:
-4 
Step-by-step explanation:
3(2x+8) = 0
Distribute
6x + 24 = 0 
24 = -6x + 0
24/-6  = -4 
 
        
             
        
        
        
Answer:
y=9cm
x=90°
Step-by-step explanation:
y=9cm(being perpendicular)
x=90°=being perpendicular)