There are 45 female performers in a dance recital. The ratio of men to women is 4:9. How many men are in the dance recital? There are men in the dance recital.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?