Find the sum without the use of a number line.6 + 23 + (-16)
A. 45
B. 13
C. -33
D. -1
Answer: B
Mathematics
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Use the integral test to determine the convergence or divergence of the series.
A. Converges B. Diverges
Mathematics
Use the empirical probability formula to solve the exercise.A survey of 988 adult investors asked how often they tracked their stock portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily?
A. 
B. 
C. 
D. 
Mathematics
Use a negative-angle identity to write an equivalent trigonometric expression involving a positive angle.cot 
A. -cot 
B. 1 - cot 
C. cot 
D. tan 
Mathematics
Solve the equation.7(2x + 1) + 9(2x + 1) = 144
A. 4 B. 6 C. 3 D. 5
Mathematics