Multiply. Assume that all variables represent natural numbers.(x3n - y)(x2n- 6y2n)
A. x5n- 6x3ny - x2ny2n + 6y2n+1
B. x5n- 7x3ny2n + 6y2n+1
C. x5n- 6x3ny2n - x2ny + 6y2n
D. x5n- 6x3ny2n - x2ny + 6y2n+1
Answer: D
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Solve equation using quadratic formula.15y2 + 19y + 6 = 0
A. 
, 
B. - 
, - 
C. 
, - 
D. - 
, - 
Find the radian measure of angle ?, if ? is a central angle in a circle of radius r, and ? cuts off an arc of length s.
?
cm, 
cm
?
A. 
B. 4
C. 
D. 
E. 5
If y varies directly as x, write a general formula to describe the variation.y = 5 when x = 20
A. y = 4x
B. y = x + 15
C. y = 
x
D. y = 
x
Given triangle ABC and triangle DEF, do the conditions ?C = ?E, AC = EF, and AB = DF guarantee that triangle ABC is congruent to triangle DEF? If they are congruent, by what rule are they congruent?
A) no B) yes; ASA Rule C) yes; SSS Rule D) yes; SAS Rule