Kevin can travel 19 1/2 miles in 1/3 hour. what is his average speed in miles per hour?

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.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12