Find the product, and write in lowest terms, if necessary.
? 
A. - 18
B. - 
C. - 
D. - 
Answer: B
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Multiply.(15 + x)2
A. x + 225 B. x2 + 30x + 225 C. 225x2 + 30x + 225 D. x2 + 225
Use the midpoint formula to make the requested estimation.The life expectancy for a person living in a certain country born in 1990 was 78.9 years and the life expectancy of a person born in 2012 was 84.3 years. Estimate the life expectancy of a person living in this country born in 2001.
A. 81.6 yr B. 82.95 yr C. 83.6 yr D. 80.25 yr
Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability of the indicated result.Both marbles are white.
A. 
B. 
C. 
D. 
Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(-4, 0), (4, 0), (0, -9), and (0, 9)
A. 16x2 + 81y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1