Joey entered a hot dog eating competition. he ate 30 1/2 hot dogs in 3 3/4 minutes. how many hot dogs did he eat in one minute?

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Factor the polynomial expression x6 – x3 – 20