You have $60 and you sister has $120. you are saving $7 per week and your sister is saving $5 per week. how many weeks will it be before you and your sister have the same amount of money?

Which of the following contains a variable?

Plot the intercepts to graph the equation

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?