Simplify the expression. Assume that all variables are positive when they appear.
A. -5
B. 625
C. 5
D. not a real number
Answer: C
Mathematics
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The bar graph below represents various colors of cars sold. Use the graph to answer the question(s). 
Estimate the number of white cars sold.
A. 52,000 B. 50,000 C. 47,000 D. 40,000
Mathematics
Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $920 Amount of tax: $23.00
A. 4.5%, $943.00 B. 3.5%, $943.00 C. 2.5%, $943.00 D. 0.25%, $943.00
Mathematics
Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 2.5x + 50.4 C. y = 54 D. y = 3x + 50
Mathematics
Evaluate the expression without using a calculator.log3
A. 
B. 6
C. -2
D. 2
Mathematics