Sophie bikes at a speed of s miles per hour. her friend rana is slower, her biking speed is only r miles per hour. rana's yesterday's trip was m miles long. how long did rana bike yesterday?

What is the surface area of a cube with the volume of 729 ft?

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Sarah needs 3 feet of fabric for a project she is working on, but the store only sells the fabric in meters. one meter of fabric costs $1.20. how much will the fabric cost?