Solve the problem.Use the graph to determine how many hours were needed to prepare for 
.
A. 5
B. 3
C. 2
D. 1
Answer: C
Mathematics
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Find the sign of the six trigonometric function values for the given angle.56°
A. Positive: tangent and cotangent; negative: sine, cosine, secant, cosecant B. Positive: cosine and secant; negative: sine, tangent, cotangent, cosecant C. Positive: sine and cosine; negative: tangent, cotangent, secant, cosecant D. Positive: all
Mathematics
Find the sum of the terms of the arithmetic sequence.4, 8, 12, 16, . . ., 92 n = 23
A. 1035 B. 2231 C. 1104 D. 2208
Mathematics
Solve the rational equation.3 - 
= 
A. {-4} B. {8} C. {0, 4} D. {4}
Mathematics
Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.3.9x2 - 0.1x = -1.8
A. 0.013 ± 0.679 B. 0.026 ± 2.683i C. 0.013 ± 3.599i D. 0.013 ± 0.679i
Mathematics