Determine the reference angle for the given angle.? = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Multiply.(3 - 2
)2
A. 17 + 12
B. 9 - 4
C. 17 - 12
D. 9 + 4
Mathematics
Answer the question(s) based on the following situation: For a population of 2000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 590 and standard deviation ? = 70.Approximately how many students scored between 450 and 730?
A. 1900 B. 1994 C. 1950 D. 1360 E. none of these
Mathematics
Solve the equation and check your proposed solution.3.9 = x + 5.5
A. {1.6} B. {9.4} C. {-1.6} D. {0.71}
Mathematics
Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = -14.4, a4 = -46.66
A. a1 = 8, r = -1.8 B. a1 = -14.4, r = -1.8 C. a1 = 8, r = -0.56 D. a1 = -46.66, r = -0.56
Mathematics