Evaluate the expression.
A. 10
B. 1
C. 5
D. 20
Answer: A
Mathematics
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Subtract.Subtract 32 from -17.
A. -49 B. -15 C. 49 D. 15
Mathematics
Solve the problem.Within a group of n people, the number of possible handshakes, N, is given by 
At a party, everybody shakes hands with every other person. If the total number of handshakes is 78, how many people are at the party?
A. 13 people B. 14 people C. 15 people D. 12 people
Mathematics
Solve the problem.Let T: ?2 -> ?2 be a linear transformation that maps u = 
into 
and maps v = 
into 
. Use the fact that T is linear to find the image of 
A. 
B. 
C. 
D. 
Mathematics
Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics