Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.The sum of two angles is 129°. One angle is 21° less than twice the other. Find the angles.
A. 48° and 81°
B. 50° and 79°
C. 48° and 75°
D. 75° and 54°
Answer: B
Mathematics
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Answer the following statement true (T) or false (F)
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In the following question(s), FN represents the Nth Fibonacci number.F29 is what percentage of F30?
A. 19% B. 261.8% C. 1.05% D. 161.8% E. 61.8%
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Find the least-squares line for the data points (3, 6), (1, 9), (4, 3) and (2, 8).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Classify each angle as acute, right, obtuse, or straight.170°
A. Acute B. Straight C. Obtuse D. Right
Mathematics