Multiply.(1.9x - 5y)(2.2x + 3y)
A. 4.18x2 - 15y2
B. 4.18x - 5.3xy - 15y
C. 4.18x2 - 16.7xy - 15y2
D. 4.18x2 - 5.3xy - 15y2
Answer: D
Mathematics
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Provide an appropriate response.Change 2.5 to its fractional equivalent and reduce to lowest terms.
A. 
B. 2
C. 
D. 
Mathematics
Find the LCM of the set of numbers.24, 54, 27
A. 54 B. 72 C. 108 D. 216
Mathematics
Find two sets of parametric equations for the given rectangular equation.y = x2 - 5
A. x = t, y = t2 - 5; x = 
, y = t + 5, t ? 0
B. x = -t, y = t2 + 5; x = 
, y = t - 5
C. x = t, y = t2 - 5; x = 
, y = t - 5, t ? 0
D. x = -t, y = t2 - 5; x = 
, y = -t + 5, t ? 0
Mathematics
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
Mathematics