How do you work out the prince of a gallon of gas dropped from the summer high price of $3.50 to the winter low price of $2.87. by what percentage was the price of gas reduced? how do you get 4.50 %?

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?