Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 10(cos 30° + i sin 30°), z2 = 5(cos 10° + i sin 10°)
A. 15(cos 300° + i sin 300°)
B. 50(cos 300° + i sin 300°)
C. 15(cos 40° + i sin 40°)
D. 50(cos 40° + i sin 40°)
Answer: D
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Provide an appropriate response.Find the limiting matrix 
corresponding to the transition matrix P = 
.Round to the nearest hundredths.
A. 
B. 
C. [0.875 0.125]
D. 
Translate the sentence to an equation.The difference of a number and 1 is 28.
A. 1 - x = 28 B. x - 28 = 1 C. x - 1 = 28 D. 28 - x = 1
Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.
? 
A. {w, y} B. {q, r, s, t, u, v, x, z} C. {q, s, u, v, w, x, y, z} D. {r, t}
An engineer erects a 111-foot cellular telephone tower. Find the angle of elevation to the top of the tower at a point on level ground 62 feet from its base. Round your answer to one decimal place. ?
A. 60.8º B. 64.8º? C. 63.8º D. 61.8º E. 62.8º