Add or subtract as indicated.9 + (-4)
A. 5
B. 13
C. -13
D. -5
Answer: A
Mathematics
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Find the exact value of the expression using the provided information.Find tan(s + t) given that cos s = 
, with s in quadrant I, and 
with t in 
A. 
B. 
C. 
D. 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. 
B. 1 - log2 x
C. 2
D. -log2 x
Mathematics
Multiply.(9y + 11)(7y2 - 2y - 5)
A. 63y3 - 18y2 - 45y + 11 B. 140y2 - 40y - 100 C. 63y3 + 95y2 + 67y + 55 D. 63y3 + 59y2 - 67y - 55
Mathematics
Graph the polynomial function. f(x) = x3 + 5x2 - x - 5
A. 
B. 
C. 
D. 
Mathematics