Add or subtract.- 
- 
A. 
B. - 1
C. - 
D. - 
Answer: C
Mathematics
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Perform the indicated operation. Write the result in the form a + bi.(5 + 4i) - (-7 + i)
A. -2 + 5i B. 12 + 3i C. 12 - 3i D. -12 - 3i
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Write the expression in condensed form.5logc t - logc s
A. logc (t5 - s)
B. logc t5 ÷ logc s
C. logc 
D. logc 
Mathematics
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to 
where x is time in days. Find the number of bacteria when x = 0 and x = 2.
A. 29,200, 116,800 B. 7300, 58,400 C. 7300, 1,868,800 D. 7300, 116,800
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Solve the problem.In a certain location, the highest temperature recorded was 103°F. The lowest temperature recorded was 121 degrees less than the highest. What was the lowest temperature?
A. 18°F B. -18°F C. -138°F D. 0°F
Mathematics