Solve the equation.21s + 40 = -4s
A. - 
B. 
C. 
D. 
Answer: A
Mathematics
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Give an appropriate answer.Let
f(x) = -1 and 
g(x) = -9. Find
[f(x) + g(x)]2.
A. 8 B. 100 C. 82 D. -10
Mathematics
Evaluate the expression.18 + (-1) - (-4)
A. -21 B. 15 C. 21 D. 13
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = - log (-x) B. y = log (-x) C. y = - log (x) D. y = log (x)
Mathematics
Determine the value of cos t when t = -7?.
A. -1
B. -2
C. 
D. 1
E. none of these
Mathematics