In her science fair project about the amount of water needed to dissolve 2 ml of a certain substance at room temperature,
Staci got an average value of 32 ml.
What should Staci do for the best chance to reproduce that data again?
improve the experimental design
change it to include a control group
follow the same steps exactly
decrease the number of trials

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?