Draw a pair of horizontal parallel line segments. Make the lower segment longer than the upper segment.

Which is a graph of a proportional relationship?

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?

Find two numbers if their sum is 91 and the ratio is 6: 7?