Please help answer the following questions

3. Suppose you roll two 7-sided dice. ***Be sure to state your answers using probability notation. If adding, leave your answer as a fraction. If multiplying, write your answer as a decimal to 4 decimal places a. (2 points) What is the probability of rolling a sum of 5? b. (2 points) What is the probability of rolling a pair of 7s? c. (2 points) What is the probability of rolling two even numbers