Do the following number conversion. Covert hexadecimal 100 to its decimal equivalent Covert decimal 133 to binary equivalent Covert octal 77 to decimal equivalent Covert hexadecimal AC3D to binary equivalent Please answer which of the following are valid variable names. _a 4Name N4ame_ ___ myVar(5 Name76 H7aha89 _Name_ 8Name88 a_name_8_ha using include Please answer which of the following statements that will NOT initialize the declared variable as the value after the "=". int var1 = 5.5: float var2 = 5: double var3 = 6.1: char mychar = 'haha': string mystring = "A