Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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According to estimates by Paul Kroger Associates, the percent of households that own VCRs is given by 
, where t is measured in years, with t = 0 corresponding to the beginning of 1985.
?
What percent of households owned VCRs at the beginning of 1985? Round your answer to the nearest tenth.
?
__________%
?
At the beginning of 1992? Round your answer to the nearest tenth.
?
__________%
What will be an ideal response?
Mathematics
Find the domain of the rational expression.
A. 
B. 
C. All real numbers
D. 
Mathematics
Evaluate to four decimal places using a calculator.e2.4
A. 12.1825 B. 0.8755 C. 11.0232 D. 6.5239
Mathematics
Add. Do not use a number line except as a check.-1.1 + 6.7
A. 5.6 B. -7.8 C. -5.6 D. 7.8
Mathematics