Solve the equation. Round the solution to the nearest tenth.6.64t + 4.22(1 - t) = 2.56
A. -4
B. -1.5
C. -0.7
D. 0.4
Answer: C
Mathematics
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Write the complex number in trigonometric form r(cos ? + i sin ?), where r is exact and -? < ? ? ?.-6 - 6
i
A. 12 
B. 12 
C. 6 
D. 6 
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Solve the problem.Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 37 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground. Round to the nearest tenth when necessary.
A. 7.9 mph B. 5.3 mph C. 7.4 mph D. 4.4 mph
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Sketch the graph of the parabola.y = 
(x - 2)2 + 5
A. 
B. 
C. 
D. 
Mathematics
Solve for any valid real roots.x2/3 - 7x1/3 + 10 = 0
A. x = -5, x = -2 B. x = -125, x = -8 C. x = 8, x = 125 D. x = 2, x = 5
Mathematics