Point Ais (1,5), point B is (2.5, 9.5), and point C is (4.5, 15.5). Do the points A, B, and C lie on the same line? How do you know? Make sure to prove your
answer.

136

Step-by-step explanation:

Total letters in English alphabet= 26

Since , the last name starts with R , and R comes at 18th position in the English alphabet series.

So the choices left for the first and the middle name would be 26-18=17

The number of ways to select any 2 alphabet from 17 with no repeated initial would be:

 [ ∵]

Hence, the number of such triples of initials can occur under these circumstances = 136