Answer:
12 windows
Step-by-step explanation:
Number of windows broken = 40% of 30

Answer:
vertical
Step-by-step explanation:
2(21x − 7) + 4(3x + 2) = 6(2x + 9) + 3
42x - 14 + 12x + 8= 12x + 54 + 3
54x - 6= 12x + 57
54x=12x + 63
42x=63
x= 63/42
x= 3/2
Answer:
All three are yes
Step-by-step explanation:
4. yes
5.yes
6.yes