Solve the equation.
= 3 + 
A. {-90}
B. {45}
C. {90}
D. {-45}
Answer: B
Mathematics
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For the given expression, write two equal expressions with negative signs in different places.
A. - 
and 
B. - 
and - 
C. - - 
and 
D. 
and 
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.81.9 km/hr to mi/hr
A. 120.1 mi/hr B. 55.8 mi/hr C. 131.9 mi/hr D. 50.8 mi/hr
Mathematics
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- 
+ 
- ... + (-1)(11 + 1) 
11
A. 
i
B. 
i
C. 
D. 
i
Mathematics
Write an equivalent expression using radical notation and, if possible, simplify. Assume that even roots are of nonnegative quantities.(16x)5/2
A. 2
B. 1024
C. 32
D. 1024
Mathematics