Yesterday, grace drove 33 / 1/2 miles. She used 1 and 1/4 gallons of gasoline. What is the unit rate for miles per gallon? (Simplify your answer. Type an integer, fraction, or mixed number.)

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

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?