Solve the problem. Round your answer, if appropriate.Water is discharged from a pipeline at a velocity v (in ft/sec) given by 
where p is the pressure (in psi). If the water pressure is changing at a rate of 
find the acceleration (dv/dt) of the water when 
A. 37.1 ft/sec2
B. 1450 ft/sec2
C. 90.5 ft/sec2
D. 35.3 ft/sec2
Answer: A
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The following question refers to a country with five states. There are 250 seats in the legislature, and the populations of the states are given in the table below.
The standard quota for State C is
A. 18.5. B. 116.5. C. 2.13. D. 117.5. E. none of these
Solve the exponential equation. Round to three decimal places when necessary.
= 4
A. No solution B. -0.168 C. 1.386 D. -0.549
Graph the linear equation.x = y + 1
A. 
B. 
C. 
D. 
A club has seven members. Three are to be chosen to go as a group to a national meeting.
(a) How many distinct groups of three can be chosen? (b) If the club contains four men and three women, how many distinct groups of three contain two men and one woman? (c) If the club contains four men and three women, how many distinct groups of three contain at most two men? (d) If the club contains four men and three women, how many distinct groups of three contain at least one woman? (e) If the club contains four men and three women, what is the probability that a distinct group of three will contain at least one woman? (f) If two members of the club refuse to travel together as part of the group (but each is willing to go if the other does not), how many distinct groups of three can be chosen? (g) If two members of the club insists on either traveling together or not going at all, How many distinct groups of three can be chosen?