A license plate consist of 3 digits, 3 letters determine the number of different license plate if the first letter must be N, M, or P and repetition and numbers is not permitted

1800.

Step-by-step explanation:

If N is the first letter the next 2 letters will be the number of permutations of 2 from 25 =  25!/ (25-2)!

= 600.

If the first number is M or P the number is the same so that makes 1800 possibilities.

x = -2

y = 848

step-by-step explanation:

plug in the numbers

22 and 22

step-by-step explanation:

10 plus 12 equals 22.

12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.