Hi, can someone please help me with these three questions?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Hi, can someone please help me with these three questions?

17. The diagram below is of a square pyramid. If the volume of the pyramid is
360 ft°, and the length of one side of the base is 15 ft, what is the height?
Ans:
18. The density of a gold necklace is 19.3 g/cm3 and the mass is 192 grams. What is the volume to the nearest
hundredth?
Ans:
19. Mr. Brown's Geometry class has 25 students. After lunch, all 25 students return to class. Over the course of
the next hour, each student produces 1200 BTUS of heat. Mr. Brown's classroom is 22 % feet by 30.4 feet by
16 feet. How many BTUS per cubic foot were produced to the nearest whole number?
Ans:
Transcribed Image Text:17. The diagram below is of a square pyramid. If the volume of the pyramid is 360 ft°, and the length of one side of the base is 15 ft, what is the height? Ans: 18. The density of a gold necklace is 19.3 g/cm3 and the mass is 192 grams. What is the volume to the nearest hundredth? Ans: 19. Mr. Brown's Geometry class has 25 students. After lunch, all 25 students return to class. Over the course of the next hour, each student produces 1200 BTUS of heat. Mr. Brown's classroom is 22 % feet by 30.4 feet by 16 feet. How many BTUS per cubic foot were produced to the nearest whole number? Ans:
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