Suppose that 
times a number is added to 
and the result is positive. What are the possible numbers?
?
A. Any number greater than - 
.
B. Any number greater than 
.
C. Any number greater than 
.
D. Any number greater than - 
.
E. Any number less than - 
.
Answer: A
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. infinitely many solutions; dependent equations B. {(3, -2, 0)} C. no solution or ? D. {(0, 0, -2)}
Mathematics
Provide an appropriate response.The only consecutive whole numbers that are both prime numbers are 
and 
.
A. 2 and 3 B. 1 and 2 C. 0 and 1 D. 6 and 7
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 2
- 3
- 
+ 5
A. -3
+ 8
B. -3
- 8
C. 3
- 8
D. 3
+ 8
Mathematics