PLEASE ANSWER MY MATH PROBLEM AS SOON AS POSSIBLE 25 point

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Rewrite the following without an exponent. (5/8)-1

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.