Answer:
G. 
Step-by-step explanation:
This is true because:
-57+27=-30
To do this you need to multiply 1,800 by ten. you will get 18,000. Then you need to divide this by 1000 to get 18. 18 1000's will equal ten 1800
60 blocks in 30 min
18 blocks in 9 min
Method 1
60-18 = 42
42 blocks in 21 min
Method 2
30-9 =21 min
Answer:
(x, x2 − 3x − 28) for all real numbers
Step-by-step explanation:
