The lock on a safe requires a three-digit code to open it. the three digits must each be a number from 0-9 (10 possible numbers). each number cannot be used more than once in the code. how many codes could there be? a.1,000 b.720 c.30 d.120

1. are the triangles similar and if so why? what is the value of x? show your work.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?