Answer:
c. 5
Step-by-step explanation:
1.5m = 1.5*100 cm = 150 cm
Divide 150 cm by 30 cm,
150/30 = 5
I'm confused what????
a -2b
2 (a + 2 b) - a - 2 b
Distribute
2a +4b -a-2b
Combine like terms
2a-a +4b-2b