Sara rented a bike from imani’s bikes. it costs $11 plus $4 per hour. if sara paid $43, then he rented the bike for how many hours?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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?

What is the absolute value of -100000000000000?