Write the expression as one logarithm.logb x + logb y
A. logb xy
B. log2b (x + y)
C. log2b xy
D. logb (x + y)
Answer: A
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Solve.The resisistance R in ohms (?) of a particular circuit element is given by the formula 
Use the formula to find the temperature T in degrees Celsius (°C) at which the resistance of the circuit element is 6.02 ?.
A. 42°C B. 51°C C. 49°C D. 63°C
Provide the proper response.Place numbers in the circles in the diagram so that the numbers in the large circles are the sums of the numbers in the two adjacent smaller circles.
What will be an ideal response?
Solve the equation.
= 4
A. 8 B. 8, 40 C. 8, 40, 0 D. 40
Solve the problem.Suppose that demographic studies show that each year about 6% of a city's population moves to the suburbs (and 94% stays in the city), while 4% of the suburban population moves to the city (and 96% remains in the suburbs). In the year 2000, 64% of the population of the region lived in the city and 36% lived in the suburbs. What is the distribution of the population in 2002? For simplicity, ignore other influences on the population such as births, deaths, and migration into and out of the city/suburban region.
A. 58.3% in the city and 41.7% in the suburbs B. 60.5% in the city and 39.5% in the suburbs C. 59.4% in the city and 40.6% in the suburbs D. 61.6% in the city and 38.4% in the suburbs