Find the root. Assume that variables represent any real number. 
A. |x|
B. 
C. x
D. -x
Answer: A
Mathematics
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Find an equation for the ellipse described.Center at (0, 0); focus at (0, 5); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the sum.306 mi + 0.38 mi + 89.62 mi + 47 mi + 7 mi
A. 450.1 mi B. 450.01 mi C. 451 mi D. 450 mi
Mathematics
Tell whether the relation is a function.{(-5, -9), (-3, -6), (1, 6), (7, 1)}
A. Function B. Not a function
Mathematics
Factor the expression.15(m - 5)2 - 13(m - 5) - 20
A. (3m + 5)(5m + 4) B. (3m + 19)(5m + 30) C. (3m + 10)(5m + 9) D. (3m - 20)(5m - 21)
Mathematics