Evaluate the exponential function at the specified value of x.y = 2x , x = -4
A. 
B. 8
C. - 
D. 
Answer: A
Mathematics
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Determine whether the syllogism is valid or invalid.All astronauts are healthy.Lawrence is not healthy. ? Lawrence is not an astronaut.
A. Invalid B. Valid
Mathematics
Find the sum or difference, and write in lowest terms, if necessary.
- (-7)
A. 
B. 
C. - 
D. - 
Mathematics
Perform the conversion.4,800,000 millimeters = kilometers
A. 0.48 B. 480 C. 48 D. 4.8
Mathematics
Solve the application and answer with a complete sentence.Students at Maple School earned $940 selling candles. They want to accumulate $2000 for a club trip. What percent of their goal has been reached?
A. 2% of their goal has been reached. B. 20% of their goal has been reached. C. 47% of their goal has been reached. D. 0.47% of their goal has been reached.
Mathematics