Find the product using the FOIL method.(2x + 6y)(5x + 9y)
A. 10x2 + 18xy + 54y2
B. 10x2 + 48xy + 54y2
C. 10x2 + 30xy + 54y2
D. 10x2 + 48xy + 48y2
Answer: B
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, 
, 
style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_5189d23f736e43518ca368cd0" /> and major axis parallel to the y-axis. Express the equation in standard form. What will be an ideal response?
Write the number in scientific notation.15.92
A. 1.592 × 10-2 B. 1.592 × 101 C. 1.592 × 102 D. 1.592 × 10-1
Find the specified domain.For f(x) = 2x - 5 and g(x) = 
, what is the domain of 
?
A. (-4, 4) B. [0, ?) C. [4, ?) D. (-4, ?)
Find the variance of the probability density function to the nearest hundredth.f(x) = 1 - 
; [1, 4]
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