Write in exponential form.log1/81 
= 
A. 
1/4 = 
B. 
1/3 = 
C. 
1/4 = 
D. 
1/81 = 
Answer: C
Mathematics
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Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
- 
C. 
D. 
Mathematics
Find the sum.-7.3 + (-23.6)
A. 30.9 B. 16.3 C. -30.9 D. -16.3
Mathematics
Solve.A boat moves 7 kilometers upstream in the same amount of time it moves 17 kilometers downstream. If the rate of the current is 5 kilometers per hour, find the rate of the boat in still water.
A. 5 km/hr
B. 11
km/hr
C. 3
km/hr
D. 12 km/hr
Mathematics
Solve the problem.The bank's temperature display shows that it is 27° Celsius. What is the temperature in Fahrenheit?
A. 32.8° B. -2.8° C. 80.6° D. 106.2°
Mathematics