2: c
Step-by-step explanation:
3: a
by Supplementing each answer Into the equation
Answer:
6
1. (1,10) 2. (2,-3) 3. (3,3)
9514 1404 393
24
The number of permutations of 4 items is 4! = 24.
math, maht, mtah, mtha, mhat, mhta,
amth, amht, atmh, athm, ahmt, ahtm,
tmah, tmha, tamh, tahm, thma, tham,
hmat, hmta, hamt, hatm, htma, htam