Which rule represents ro, 180º?
o (x, y) - (-y, x)
(x, y) - (-x, -y)
(x, y) - (y. -x)
(x, y) - (y, x)

How do you find the area of a triangle

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.