Lesson 2 Practice Problems A cyclist rode 3.75 miles in 0.3 hours.

How fast was she going in miles per hour?
At that rate, how long will it take her to go 4.5 miles?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

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.

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10