The side of a square is two more than twice a number. if the perimeter is two more than twice a number, find the length of a side of the square.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

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?