Answer:
b. 9 units
Step-by-step explanation:
30/2 -6 = 15-6 = 9
9
Step-by-step explain
6+6=12
12+x=30
30-12=18
18/2 =9
x=13
1. divide both sides by 3
2. simplify: 4x-7=45
3. add 7 to both sides
4. 4x=52
5. divide both sides by 4
6. x=13
Have a good day :)
length = 8 cm
breadth = 9 cm
height = 9cm
Volume = ?
now,
Volume = l×b×h
= 8cm ×9cm ×9cm
= 648 cm^3.
