A women's clothing chain takes inventory of one brand of sweater. The sweaters come in 3 sizes: small, medium, and large, and 5 colors. The inventories at stores A, B, and C are represented by the matrices below. 
A = 
; B = 
; C = 
Show that A + O = A.
What will be an ideal response?
A + O = 
+ 
= 
= A
Mathematics
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Make a scatter diagram for the data.The table shows the life expectancy at birth for females and per capita GDP for nine countries. (Data for 1995) 
Plot per capita GDP on the horizontal axis and life expectancy on the vertical axis.
A. 
B.
Per Capita GDP
| ? | Life Expectancy |
C.
D.
| ? |
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Find the domain of the given function.f(x) = 
A. (-?, 
]
B. [
, ?)
C. (-?, 
]
D. (-?, ?)
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Find the percent using a proportion. Round your answer to the nearest tenth if necessary.$17.97 is what percent of $159.14?
A. 88.6% B. 885.6% C. 113% D. 11.3%
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Tell which brand is the better buy.Brand X 9 oz for $0.72Brand Y 12 oz for $1.20
A. Equal value B. Brand X C. Brand Y D. Not enough information
Mathematics