Which expression is equivalent to

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.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.