Factor completely and then place the factors in the proper location on the grid. 7 x2 - 9 x - 10

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

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.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie