Answer:
Make a coordinate plane and you have to solve around the origin say 4,4 and 4,1.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
B. C. and D.
Step-by-step explanation:
 
        
             
        
        
        
Slope = (y2 - y1)/(x2 - x1)
Slope = (8 - 0)/(3 - 1)
Slope = 8/2
Slope = 4
Answer
4
 
        
                    
             
        
        
        
No. There are 3 types of triangles.
Scalene: Triangle which no sides are equal, so all angles aren't congruent
Isosceles: A triangle with 2 equals sides, but has 1 not equal sides.
Equilateral: A triangle which all sides are equal
        
                    
             
        
        
        
You multiple the area 18 x 12 = 96 sq ft