The following is a valid declaration for a variable: double variable speed; Select one: True False Declare the variable numberOfMiles and initialize it to 420,123,654 in a single statement. Answer: The variable numSeats holds the number of seats in a concert hall. This variable should be declared as type The variable available Tickets holds the number of unsold tickets for a raffle. This variable should be declared as type The variable isValid is a flag that indicates whether something is valid or not. This variable should be declared as type The variable avgDiceRoll is the average of several rolls of dice. The datatype should be The data type used to hold the number 6.09E40 is Select one: a. float b. long c. int d. long double e. double Create a variable named honorific and initialize it to Mlle. Barratte (do not include anything other than the one statement.) Answer: What datatype(s) could hold the phrase "good morning class"? Select one or more: a. double b. float c. char d. bool e. string f. int