Clare has $150 in her bank account. She buys a bike for $200 . What is clares account balance now

Can someone me with the property questions for 12 13 and 14 plz

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.