Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
- 
B. - 
- 
C. 
D. 
Answer: C
Mathematics
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Find the mode or modes for the list of numbers.Number of samples taken each day: 5, 9, 28, 3, 2, 8, 47, 1, 4, 16
A. 8 samples B. 9 samples C. 11.7 samples D. No mode
Mathematics
Solve by completing the square.24d2 + 50d + 25 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics
Solve the problem.The growth in population of a city can be seen using the formula p(t) = 9768e0.003t, where t is the number of years. According to this formula, in how many years will the population reach 14,652? Round to the nearest tenth of a year.
A. 270.3 yr B. 135.2 yr C. 101.4 yr D. 67.6 yr
Mathematics
Tell whether the angle is acute, right, obtuse, or straight.?ADB 
A. Straight B. Acute C. Obtuse D. Right
Mathematics