Suppose there are 15 people in a room. each of those 15 shakes hands exactly once with everyone else. how many handshakes take place?

A spherical tank holds about 7,234.56 cubic meters of air. Select the radius of the tank rounded to the nearest whole number. Use 3.14 for T.

The function f (x) = x^2-5x-6, written correctly in factored form, and its zeros are

What is the solution to the 1/3y=9

What is (3xx-1) (8xx+7)

Take 58.2 ➜ Add 66.489 ➜ Subtract 123.457 ➜ Add 8

Jade and jason play a game which each player is equally likely to win the first player win 3games becomes the champion and no future games are played if jason had won The first game what is the probability that jason becomes the champion

What is 257,650 rounded to the nearest ten

What is the radius of a circle whose equation is x2 y2 - 10x 6y 18 = 0?

Y=x+4 and y-4=x. Is there no solution one solution or infinitely many

How do you recognize a central angle of a circle