Which expression is equivalent to (–2y – x) – (5y – 9x)?

A) 7y + 8x
B) –7y – 10x
C) –7y – 8x
D) 7y + 8x

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2