formulas below is not valid

You have been asked to store the IDs and scores of competitors in three rounds of a game and find out total score of each and print the ID of winner who is having maximum score. Following is the data: ID Score 1 Score 2 Score 3 123 23 12 24 234 34 10 32 345 12 34 21 456 10 23 21 567 10 19 23

Find out if either: 21000 + 277 21000 + 291 21000 + 297  is prime . They do not have any prime factors less than 109.  You can use Modular Exponentiation, but you may not use commands of the form“IsPrime[n]” or “NextPrime[n].”

Which of the following variable assignments is correct: newVariable-35 newVariable= 35 newVariable -35 O newVariable = 35

Which of the following statements is false for some sets A and B? Select one: O A. AB= A + B O B. AB = A + B O C. A (A - B) = An B D. AB=(An B) u (ANB)