<u>Answer:</u>
<u>Step-by-step explanation:</u>
- Surface area: 2(4 x 0.5) + 2(4 x 1.5) + 2(0.5 x 1.5)
- => 2(2) + 2(6) + 2(0.75)
- => 4 + 12 + 1.5
- => 17.5 ft.²
<u>Conclusion: </u>
Therefore, the surface area is 17.5 ft.².
Hoped this helped.

Answer:
Area : 45 Perimeter : 2,025
Explanation:
Area: 5 times 9 equals 45. The 5 is the polygon’s base, the 9 is the polygon’s height.
Perimeter: 5 times 5 times 9 times 9 equals 2,025. Perimeter is base times base times height times height.
Glad I could help! :)
They would be able to clean 7 cars in 56 mins