Consider a group of 20 people. if everyone shakes hands with everyone else, how many handshakes take place?

Bob Woodward and Carl Bernstein were Washington Post journalists whose reports during the Watergate affair led to the resignation of Richard Nixon as president.

Write an expression that is equal to 7/3

Evaluate 10m + n2/4 when m = 5 and n = 4

The age of Oscar is 1/3of his sister. after 12 years his age will be half that of his sister. What is Oscar's current age

explain how you can add the same number to each member of the set of whole numbers to produce another important subsets of the real numbers

On call 3.5 hour $10 talk time 1/2 hour $1.25 what is the unit rate in dollar per hour for each company

The Empire State Building is 1250 feet tall. At 3:00 pm, Pablo stands next to the building and has an 8-foot shadow. If he is 6 feet tall, how long is the Empire State Building's shadow at 3:00 pm? 1666.67 feet 1.67 feet 166.67 feet 16.67 feet

What is the maximum value of P = 24x + 30y, given the constraints on x and y listed below? x+y (less than or equal to) 5 x-y (greater than or equal to) - 1 x (greater than or equal to) 0 y (greater than or equal to) 0 120 132 138 150

The theater is sold 1456 tickets at the theater sold six times as many regular price tickets as it's all discount tickets

Maritza remembers her pin because it is the product of two consecutive prime numbers that is between 1000 and 1500 what is her pin