Answer:
-14 and 4 
Step-by-step explanation:
add and subtract 9 from -5
 
        
             
        
        
        
Variables- x,y 
terms- 4
coefficient-3x, 6y, 10x 
constant- 5, 9
like terms- 3x , 10x
        
                    
             
        
        
        
I was stuck on the same thing in my class test. I ended up failing but if I get the answers to it I’ll totally send them to you!!!
        
             
        
        
        
5,000 - bag of fertilizer 
500 - Mike’s lawn
3/4 - applied fertilizer
4 - frequency in 1 year
(500 x 3/4 )x 4 
(1500 / 4 ) x 4
1500 sqm / yr
5,000 sqm / 1500sqm/yr
3.33 yr
He will be able to fertilize it in 3 full years