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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
AB is parallel to CD , and EF is perpendicular to AB.
The number of 90° angles formed by the intersections of EF and the two parallel lines AB and CD is __


Type the correct answer in the box Use numerals instead of words If necessary use for the fraction bar AB is parallel to CD and EF is perpendicular to AB The nu class=

Respuesta :

Answer:

(x+5)^2=0 then x+5=0 and x=-5. If x=-5, then y=3*(-5+5)^2-4=3*0-4=-4.


Step-by-step explanation:


Answer:

8

Step-by-step explanation:

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