Answer plzz 3. Compare the total number of students who were surveyed to those who spent 8 hours doing homework. *

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.

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer