(Check SSN) Write a program that prompts the user to enter a Social Security number in the format ddd-dd-, where d is a digit. Your program should check whether the input is valid.

Sample Run 1

Enter a SSN: 232-23-5435

232-23-5435 is a valid social security number

Sample Run 2

Enter a SSN: 23-23-5435

23-23-5435 is an invalid social security number

In C++ please

the role of the microscope world in creating new materials .

the answer would be a

i think so it’s will be b yes i believe its

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.