A group of 12 people who have never met are in a classroom. how many handshakes are exchanged if each person shakes hands exactly once with each of the other people in the room

A key code must contain 4 letters and 3 numbers. The letters may be any letter of the alphabet. The numbers should be any number from 0 to 9. How many different key code combinations are there? A. 456,976,000 B. 292,484,000 C. 6,824,000 D.

Simplify each expression. Then state the coefficient of the variable in each expression. 1. U + u + u + u

Explain how the identity property in the problem 2/3 (1) = 1 (2/3) = 2/3 is the same with any rational number

How do you Find percent markup

Find the slope of the like y = 1/8x - 1 anser choices -8/1 1/8 1 -1

The equation 3x+4=5x-4 has the solution set {4}. explain why the equation (3x+4) + 4=5x-4) + 4 also has the solution set {4}

if two similar figures have a scale factor of 3/2, will the second figure be the result of an enlargement or a reduction

If f (x) = - 3x + 4 and g (x) = 2, slove for the value of x for which f (x) = g (x) is true.

Tim earns $150 a week plus $15.50 for each desk he assembles. write an inequality to represent how many desks he needs to assemble to make $400 in one week.

An airplane has a maximum capacity of 118 passengers. The flight attendant has loaded 40 passengers. Which inequality represents the solution set that shows the number of passengers, p, that can still load the plane?