Write the expression in the standard form a + bi.
A. -1 - 2i
B. 1 + 2i
C. -1 + 5i
D. -1 + 2i
Answer: D
Mathematics
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Factor completely. If prime, so state.9x2 - 72x + 144
A. 9(x - 4)2 B. (9x - 72)2 C. prime D. 9(x + 4)2
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Given that the x- and y-coordinates of a moving particle are given by the indicated parametric equations, find the magnitude and direction of the velocity for the specific value of t.x = 2t + 5, y = 4t - 2, t = 7
A. 4.47, 63.4° B. 32.20, 63.4° C. 4.47, 243.4° D. 32.20, 243.4°
Mathematics
Use the following label to answer the question(s): 
Storage instructions __________.
What will be an ideal response?
Mathematics
Draw a valid conclusion from the given premises.If it rains, I get gloomy.If I get gloomy, I go to a movie Therefore....
What will be an ideal response?
Mathematics