Aman has nine shirts and two ties. assuming that they all match, how many different shirt-and-tie combinations can he wear?

Determine the next term in the sequence. then write the next 2 terms 4,16,28, what number do you do to get that?

What are two numbers that have a sum of 15?

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?