40 students are in the science club. of those, 45% are girls. this percent increases to 56% after new girls join the club. how many new girls join?

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 of the following graphs represents the function f(x) = 2^x

How can you find the mean absolute deviation (mad) for this set of data?