Explain why you must rename 2 7/12 in order to find 2 7/12-5/6

Help pl

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt