Perform the indicated operation.(3x + 9) - (-9x + 13)
A. -6x + 22
B. 12x - 4
C. 12x + 22
D. 8x2
Answer: B
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Provide an appropriate response.Suppose that a data set has a mean of 100 and a standard deviation of 5. If every item of the data set is multiplied by a positive number k, how will this affect the mean and the standard deviation?
What will be an ideal response?
Use counting to determine the whole number that corresponds to the cardinality of the set.A = {0, 2, 4, 6, 8}
A. n(A) = 5 B. n(A) = 2 C. n(A) = 4 D. n(A) = 8
Solve the problem.A bullet is fired with a muzzle velocity of 1292 ft/sec from a gun aimed at an angle of 38° above the horizontal. Find the horizontal component of the velocity.
A. 1018 ft/sec B. 1009 ft/sec C. 795.4 ft/sec D. 1234 ft/sec
Write an equation for the line described. Give your answer in slope-intercept form. m = 
, through (4, -5)
A. y = 
x - 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x - 