Add.-56 + (-79)
A. 23
B. -23
C. 135
D. -135
Answer: D
Mathematics
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Decide if the number is rational or irrational.1.27252523...
A. Irrational B. Rational
Mathematics
Add in the indicated base.10112 + 1102
A. 11,0002 B. 11,0012 C. 10,0012 D. 11112
Mathematics
Simplify the expression.-(9)
A. 0 B. -1 C. 9 D. -9
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.x2 + y2 = 37
- 
= 1
A. (3, 2
), (3, -2
), (-3, 
), (-3, -
)
B. (3, 
), (3, -
), (-3, 
), (-3, -
)
C. (3, 2
), (3, -2
), (-3, 2
), (-3 -2
)
D. no real solution
Mathematics