Let's say you are playing a coin-tossing game with a friend. You toss the same coin 500 times, and 400 times it comes up heads. Would this be normal? What could explain it?

In succession 6, 18, 21, 63, 66, the number that follows is ...

Turica has 4 different pen colors: red, purple, blue, and green. She has 8 pens of each color. She selects a pen at random. What is the probability she will select a green pen?

In which of the following functions is f (-x) = f (x) ? A. y = sin (x) B. y = x C. y = x2 D. y = x1/3

Lois has five blue plates and ten red plates what percent of her plate collection is blue

Drag each set of side lengths to show whether they can or cannot make a triangle, or if there is not enough information to tell. A. 4cm, 6cm, 10cm B. 2cm, 3cm, 10cm C. 1cm, 1cm, 12cm D. 5cm, 8cm, 10cm E. 7cm, 7cm, 12cm F. 6cm, 6cm, 12cm

A standard number cube is tossed find p (even or greater than 4)

For a store contest, 4 out of every 65 people who visit the store will receive a free DVD. If 455 people visit the store, how many DVDs were given away?

A share of stock sold for 10 5/8. what is the equivalent decimal price?

What is the meaning of the word explicit? A. Relating to the secondary or suggestive meaning of a word B. Words or phrases that aren't used in a literal way C. Clearly expressed, leaving no question or ambiguity as to meaning D.

Suppose sin u = x and u is between 0 and pi/2. what is sec u? ... ?