Solve the problem.Suppose that a pendulum of length 285 mm swings through an arc of length 111 mm. Through how many degrees does the pendulum swing?
A. 147°
B. 22.3°
C. 44.6°
D. 0.389°
Answer: B
Mathematics
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Graph the given parabola.y = -x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Complete the table for the equation.y + 3x = 19
A. 
B. 
C. 
D. 
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(8 - 4i)2
A. 80 - 64i B. 80 + 64i C. 48 - 64i D. 48 + 64i
Mathematics
Solve the problem.Find the sum of all the integers from 63 to 83.
A. 1387 B. 1470 C. 1533 D. 1450
Mathematics