Solve the rational equation.
- 
= 
A. {8}
B. {-8}
C. {24}
D. {30}
Answer: A
Mathematics
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Match the equation with the surface it defines. 
+ 
= 1 
A. Figure 2 B. Figure 1 C. Figure 4 D. Figure 3
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.5
+ 
A. 6
B. 5
+ 
C. 15
D. 8
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A water tank can be filled in 7 min and emptied in 8 min. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
A. 56 min
B. 3
min
C. 
min
D. 
min
Mathematics