1. If and , then
3. If and , then (The pair and also work.)
5. If and , then
7. (1)
(2)
(3)
(4)
(5)
(6)
9.
11.
13.
15.
17.
19.
21.
23. feet. (a) feet above the floor.
(b) feet,
(c)
25. (a) psi (pounds per square inch),
(b) so and .
(c)
At feet,
Finally, psi/minute
(d) If the temperature is constant, then (pressure)(volume) is a constant (from physics!) so a decrease in pressure results in an increase in volume.
27.
29.
31.
33.
35. so so .
At and so
37. so so
At and so
39.
41.
43.
45. Then or .
47.
so
49.
51.
53.
55.
57.
59.
61.
63.
65.
67.
(a) , (b) , (c)
69.
(a) , (b)
(c)
(b)
(c)
71. (a) ,
(b) ,
(c)
73.
75.
77.
79.
81.
83. , or