Answer:
a
Step-by-step explanation: it would not be a triangle
Answer:
8/45
Step-by-step explanation:
78
because 5 times 2 equals 10 so then u times 39 times 2 and get 78
Add 6 7 and two you get 15 xy subtract -11 and -4 you get positive 7xy add 15 and 7 and you get 22xy
There are 7 numbers.
Each number can be paired with the remaining 6 numbers.
7 x 6 = 42 different two digit numbers can be made.