state the domain and range of the following relation.

a. d = {–3, 1, 2, 4}; r = {–3, –1, 1, 2}
b. d = {–3, 1, 2, 3, 4}; r = {–3, –1, 1, 2}
c. d = {–3, –1, 1, 2}; r = {–3, 1, 2, 4}
d. d = {3, –1, 1, 2}; r = {3, 1, 2, 4}

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

∆red ≅ ∆ by rule will give brainiest if possible

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