Answer: 
Step-by-step explanation:
We have given the numbers = 2,0,1,9
We can use addition and subtraction operation to the given numbers such that the answer will be equals to 6.
We can add 2 ,0 and 1 and then subtract from 9 , we will get 6.
So the required expression can be

hence, the required expression can be 
7.5 ft because
6/30 = .0005 so then x we factor in equals 7.5 for
10 x 30=300 because you 3 tens is 30 times 10 is 300. hope it helped.
Overestimate because then the gardener could possibly save the left overs in case they get a chance to use it or they could give it to someone who may need it.
Answer: 12
Step-by-step explanation: do not lie to me you better mark me a brainly or going to report you