Andrew’s rotation maps point m(9, –1) to m’(–9, 1). which describes the rotation?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

X+y=-4 x-y=2 use elimination with adding and subtraction