Write an expression for the perimeters of each given figure. Simplify the expressions!! 3x-1mm+6m

Which matrix multiplication is possible?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?