Add the numbers using the number line.99 + (-91) 
A. -190
B. -8
C. 8
D. 190
Answer: C
Mathematics
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Solve the problem.There are 12 members on a board of directors. If they must form a subcommittee of 5 members, how many different subcommittees are possible?
A. 120 B. 248,832 C. 95,040 D. 792
Mathematics
Perform the indicated operation.
A. 3m3 - 12m5n7 + 8m4n9 B. 3m3 - 6m2n6 + 4mn8 C. 21 D. 3m9 - 6m8n8 + 4m7n10
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 - 3x2 - 5x + 39
A. -3, 3 + 2i, 3 - 2i
B. -3, 1 + 2i, 1 - 2i
C. -3, 3 + 4i, 3 - 4i
D. -3, 1 + 2
i, 1 - 2
i
Mathematics
Write an equation that expresses the relationship. Use k for the constant of proportionality.r varies jointly as s and t and inversely as the square root of a.
A. r = 
B. r = 
C. r = 
D. r = 
Mathematics