Answer:
slope=1
y-intercept when x=-4
x-intercept when y= 4
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a) 
Step-by-step explanation:
She forgot to multiply 14 with -13
 
        
                    
             
        
        
        
Answer: 7238.23
Step-by-step explanation:
volume of a sphere is (4/3)(pie)(r^3)
so if the diameter is 24 than the radius is 12 so u would substitute that into the formula and you should get 7238.23
 
        
             
        
        
        
630 red marbles
420 yellow marbles
210 purple marbles
because 1260 x 1/2 = 630, 1260 x 1/3 = 420, 1260 x 1/6 = 210