Elijah forgot his pass code for a certain website. he knows it is made up of 3 digits and no digit can be repeated. if he randomly chooses 3 different digits, what is the probability that he chooses his pass code?

With #! i’ve tried to figure it out but i can’t.

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left