Acompany trainer needs math books for one class of 18 employees and another class off 26 employees. the figure shows the books that are on the shelf in the company training room. how many more books does the trainer need

We just started the introduction into circles and i have no idea how to do this.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?