You bought 12 baseball cards on monday and 24 baseball cards on tuesday. after giving some baseball cards to your brother, you had 13 left. how many cards did you give to your brother?

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The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.