Amotorist traveled 311 miles on 12 gallons of gas. to the nearest tenth, how many miles can the motorist travel on one gallon of gas?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Math each whole number with a rational, exponential expression

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.