Evaluate -x for the given value of x.x = 32.4
A. 
B. -32.4
C. 32.4
D. 32
Answer: B
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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).
A. $97.07 B. $471,860.00 C. $405,900.50 D. $174.00
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. 70.9 ft/sec2 B. 144 ft/sec2 C. 43.2 ft/sec2 D. 2130 ft/sec2
Write an equation in slope-intercept form for the line shown.
A. y = 5x - 6
B. y = 5x + 6
C. y = 
x - 6
D. y = 
x + 6
Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.r-7
A. r1/7
B. -r7
C. - 
D. 