You have to use the formule: y2-y1/x2-x1
-2-(-2)/4-(-3)=0/7
Answer:
402 seconds
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
You have 2 conditions.
1. The digits must be different.
2. The digits must add to 7.
There aren't very many
124
142
214
241
412
421
That's it. That's your answer. There are 6 of them