Solve the equation or inequality.
= 0
A. {5, -5}
B. [-?, -5]
C. {-5}
D. ?
Answer: C
Mathematics
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Find the limit, if it exists.
A. -4 B. 4 C. Does not exist D. 0
Mathematics
Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when 
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
+ 
ln 
D. t = 
ln 
- 
ln 
Mathematics
Solve the following circle graph problems.If savings are represented by 45° on a circle graph showing all expenses, and the total expenses are $1,392, how much go into savings?
A. $232 B. $290 C. $116 D. $174
Mathematics
Use the square root property to solve the equation. 5x2 = 75
A. {37.5}
B. {±15}
C. {16}
D. {±
}
Mathematics