In triangle ABC, AC = 8 cm, BC = 5 cm, and mLACB = 30°.
Exactly how long is AB?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Bring the fraction a/a-4 to a denominator of 16-a^2

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?