Tameka built 1/2 of a shed on Monday and 2/5 of the shed on Tuesday. What fraction of the shed did she already build?

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Enter the missing numbers in the boxes to complete the table of equivalent ratios. time (min) distance (km)? 36 9? 1512 ?

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?