Find the angle between u and v .  figure 1.png)
(a) 46.3°
(b) 80.6°
(d) 19.5°
(e) 33.46°
(c) 70.46°
Mathematics
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Simplify the complex number to its rectangular form.
2 + j4
A. -10 B. -12 C. 1 - 11j D. 1 + 11j
Mathematics
Simplify using order of operations.9 ÷ (-3) + 
+ (-2)3
A. -1 B. 27 C. -8 D. -2
Mathematics
X is Normal(?1, 2.1).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
Mathematics
The perimeter of a plane figure is the total distance around the figure. Find the perimeter of the figure.
A. 
miles
B. 
miles
C. 7 miles
D. 
miles
Mathematics