Find the perimeter of the rectangle ABCD with vertices A(-1,5), B(-4,2), C(1,-3), D(4,0)

Trigonometry hellllllpppppppp asap

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?

3x + 4y = 5 x- 3y = -7 solve by substitution