Evaluate the expression for x = -2, y = 3, and a = -4.
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Provide an appropriate response.Classify ?2 if ?3 = 70°
A. straight B. acute C. obtuse D. right
Mathematics
Given the following properties of a triangle find side b.
Mathematics
Write the expression in the standard form a + bi.(7 + 3i)(2 + 8i)
A. 38 - 50i B. -10 + 62i C. 24i2 + 62i + 14 D. -10 - 62i
Mathematics
Find an equation for the ellipse described.Center at (0, 0); focus at (0, -3); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics