Alphonse did enough situps to rank in the 99th percentile for boys his age. this means that less than 1% of all the boys did more sit ups than alphonse. select which decimal could represent the frection of boys who did more sit ups than alphonse.
0.01
0.002
0.95
0.04
0.103
0.0056

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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.