Arectangular park is 18 miles long and 9 miles wide. how long is a pedestrian route that runs diagonally across the park?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

Indicate the formula for the following conditions: p^c(n,r)=