Given the function R(x)=x+5x−5, find the values of x that make the function greater than or equal to zero. Write the solution in interval notation.

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?