Joshua is the place kicker for his college football team. last season he kicked 42 times and never missed. each field goal scored 3 points, and each extra point scored 1 point, for a total of 86 points.

how many field goals did joshua kick?

Which of the following represents the range of the graph of f(x) below

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

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.