Answer:
3u-47
Step-by-step explanation:
Just combine like terms, which for this case is the -40 and the -7. Hope this helps!
Well she would need about 11.5 gallons of gas times 1.89 is $21.73 hope this helps
Answer:
30cm
Step-by-step explanation:
150*0.2=30cm, 20% of 150 is 30cm.
1÷81 because you square it
18. It is 18 because when you multiply 2x2 plus 4 x2 plus 2 x3 you get 4 plus 8 plus 6 = 18
