Answer:
im not 100% sure but wouldnt #15 be 9squared-81=0
Step-by-step explanation:
9 squared would turn to 81 because 9 time 9 is 81 and 81- 81 is 0
answer =3/4
use m= y2-y1/x2-x1
8:00am I'm not sure, sorry if I get it wrong dude...
Let the event
The the probability of the events
The conditional probability