David wants to buy 2 pineapples and some bananas. the price of one pineapple is 2.99. the price of bananas is 0.67 per pound. david wants to spend less than ten dollars write an inequality that represents the number of pounds of bananas, b david can buy

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?