Find the specified quartile.The following scores were recorded on the midterm exam in Chemistry 102:93 81 59 69 82 73 61 77 95 84 88 7186 97 63 72 89 80 60 98 91 62 78 8376 81 94 66 83 96Find the upper quartile, QU.
A. 88
B. 88.5
C. 90
D. 89
Answer: D
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 2, an+2 = an+1 + an
A. 1, 2, 3, 5, 8 B. 1, 2, 3, 6, 9 C. 1, 2, 3, 4, 5 D. 1, 1, 2, 3, 5
Write a general formula to describe the variation.The illumination I produced on a surface by a source of light varies directly as the candlepower c of the source and inversely as the square of the distance d between the source and the surface.
A. I = 
B. I = kcd2
C. I = 
D. I = 
Does the graph represent a function that has an inverse function?
A. Yes B. No
The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find x.
?
Round the answer to the nearest whole number.
?
A. 10
B. 17
C. 13
D. 12
E. 15