pleaseeee help i need fastt please

Based on the code segment below and by using estring and/or cctype lunchons, wit statements to perform each of the following instruction Note that each question is dependent. Important. Please write C++ statements WITHOUT blank spaces unless ocely needed some mum har strate always chartra le har 1511 a) Concionates str2string to the end of string b) Copy the resulting string in (a) into str3 c) Store in length astra intolon a) Converts strating to lower by filing in the banks in the code segment below with an appropriate stonement for (int