1) what is the formula for the total area of ​​the cube? a) At= AL + 2Ab b) At= 6L2 c) At= AL + Ab 2) what is the value of the X present in the following proportion “38 : x = 16 : 24” ? a) 73 b) 126 c) 25 d) 57 3) what is the definition of the cylinder? a) The cylinder is a solid generated by the rotation of a square around one of its sides. b) The cylinder is a solid of rotation that is generated by the rotation of a rectangle around one of its sides. c) the cylinder is a solid generated by the rotation of a rectangle. 4) What is the equation of a generic line? a) y=x b) y= mx+q c) y=mx d) xy=k 5) When are two or more straight lines called perpendicular? a) they have equal angular coefficients.  b) their angular coefficients are opposite. c) they have the angular coefficients one the opposite of the inverse of the other. 6) if we draw a card from a 40 card deck, 10 for each suit, what is the probability that an ace or a heart will come out? a) 13/40 b) 13/80 c) 20/40 d) 14/40

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