Assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms.ln x3y4
A. ln (3x)+ ln (4y)
B. 3ln x + 4ln y
C. ln (3x) ? ln (4y)
D. ln x3 ? ln y4
Answer: B
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Give the reciprocal of the given number. ? 3x ?
A. 
B. 
C. 
D. 
E. 
Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3,775. Therefore, the total cost to remodel the bathroom is given by 
where x is the number of hours the contractor works. Find a formula for 
What does 
compute?
A. f -1(x) = 
- 3,775; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) = 
- 151; This computes the total cost if the contractor works x hours.
C. f -1(x) = 
- 151; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 3,775; This computes the total cost if the contractor works x hours.
Find the perimeter. Use ? ? 3.14. Round the answer to the nearest tenth.
A. 112.3 m B. 140.5 m C. 176.5 m D. 98.5 m
Find the probability.Each digit from the number 9,616,336 is written on a different card. If one of these cards is selected at random, what is the probability of drawing a card that shows 9 or 3?
A. 
B. 
C. 
D. 