Answer: 144 cubic feet
Step-by-step explanation:
Volume = base times height.
Base = 20 square feet
Height = 7.2 feet
Volume = 20 square feet * 7.2 feet = 144 cubic feet
Answer: perpendicular lines
Step-by-step explanation:
look up "Two straight lines that intersect at a right angle"
For the first one just do the multiplication as you do normally.
For the second one, you have to put a zero behind before calculating the numbers in front
Answer:
36
Step-by-step explanation: