#3 Consider the following polygon after a composition of
transformations represented by the dashed lines below. l

Which composition of isometries did the polygon have?
A reflection over the x-axis and a translation
(x + 7, y + 1).
© A reflection over y = 1 and a translation (x + 7,y).
A translation (x + 8, y - 3) and a rotation of 90°
clockwise about (1,1),
0 A translation (x + 10,y) and a reflection over y = -x.

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2