Simplify.5 ? 4 + 4 ? 11
A. 24
B. 64
C. 440
D. 264
Answer: B
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Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- 
+ 
- ... + (-1)(11 + 1) 
11
A. 
B. 
i
C. 
i
D. 
i
The distance from each vertex of a polygon and a central point is: a = 8", b = 7", c = 6", and d = 4.5". The distance of each vertex of its dilation and a central point is: a' = 
", b' = ?, c' = ?. Find b' and c' by first finding the scale factor:
?
A.
?Scale Factor: 3, b' = 
", c' = 2"
B.
?Scale Factor: 
, b' = 21", c' = 18"
C.
?Scale Factor: 
, b' = 
", c' = 2"
D.
?Scale Factor: 
, b' = 
", c' = 18"
E.
?Scale Factor: 3, b' = 21", c' = 18"
Perform the subtraction and simplify.
a. 
b. 
c. 
d. 
e. 
Express the given trigonometric function in terms of the indicated function.tan ? in terms of sec ?
A. 
B. 
C. ±
D. ±