In 1969, there were 25 companies located in the research triangle. by 1970, there were 47 companies in the park. what is the percent of increase in the number of companies during this year?

What is the value of x? enter your answer in the box. photo attached.

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.

Ineed with math stuff it involves graphs