Factor problems 13 - 16 by using the perfect squares method. 16. 4x4 – 20x2 + 25

A. (2x2 + 5)(2x2 + 5)
B. (2x2 – 5)(2x2 + 5)
C. (-2x2 – 5)(-2x2 – 5)
D. (2x2 – 5)(2x2 – 5)
E. (2x2 – 5)(-2x2 + 5)
F. This polynomial cannot be factored by using the perfect squares method.
it is not B, A or F

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.