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in the equation x² + kx + 54=0, one root is twice the other root. the value(s) of k is (are)
a. -5.2
b. 15.6
c. 22.0
d. ± 5.2
e. ± 15.6

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g