Solve for x.logx 81 = 4
A. 20
B. 324
C. 3
D. 85
Answer: C
Mathematics
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Find the standard deviation. Round to one more place than the data.158, 182, 170, 264, 300, 238, 126, 158, 168
A. 61.7 B. 57.7 C. 24.5 D. 54.4
Mathematics
The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. 
A. y = - 
x + 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x + 
Mathematics
Divide.373 ÷ 37.3
A. 100 B. 10.0 C. 11 D. 1
Mathematics
Solve the problem.The markup on an item is its selling price, s, minus its cost, c. If a new printer costs $284.25 and it sells for 
what is the markup?
A. $115 B. $115.74 C. $124.26 D. $684.24
Mathematics