Suppose there are 20 people in a room. each of those 20 shakes hands exactly once with everyone else. how many handshakes take place?

What are the factors of the polynomial below? x2 + 7x - 18 A. (7x + 11) (x - 1) B. (x + 2) (9x - 2) C. (x + 9) (x - 2) D. (7x + 9) (x - 2)

A rivers current flows at a rate of 2.4 miles per hour. how many feet per second is this

When Charlotte works out, she spends 45 minutes doing cardio and 50 minutes doing resistance training. Wayne's workout consists of 47 minutes of cardio and 48 minutes of resistance training. Who does a lower ratio of cardio to resistance training?

Determine x when y = 144?

A researcher finds that as years spent driving increases, the number of accidents decreases. this is an example of:

How do you know 8 (12) - 8 (7) is the same as 8 (12-7)

A piece of string is 120 centimeters long. How long would the piece of string measure in meters?.

Two players played a game. the first player's score is represented by the function p=5c-3

A prime polynomial cannot be written as a product of lower degree polynomials. Which polynomial is prime?

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