What is a simplified expression for (x + y) - (x + y) ?

What type of sample would be representative of a whole group? biased sample random sample any sample free sample

Whats the algebraic expression for a2 - 18b

What is the exact value of cos (67.5°) ?

What is the value of 35-3m, when m = 4? I think it is 23. A. 1 B. 13 C. 23 D. 128

According to the Four Noble Truths of Buddhism, what must be overcome to end suffering?

What is 1.208 rounded to the nearest hundredth

The limit of a rational function at 5 equals the value of the rational function at 5 true or false

Select all that justify the following statement. 10 + x 12 = 12x + 10 a) commutative - addition b) distributive c) associative - multiplication d) symmetric e) commutative - multiplication f) associative - addition g) identity - addition

Through (2,-4), parallel to y=3x+2

Alicia's brother is three years younger than twice her age. The sum of their ages is 24. How old is Alicia?