In the figure, , and both lines are intersected by transversal t. Complete the statements to prove that ∠2 and ∠8 are supplementary angles. (given)

m∠2 = m∠7 (
)

m∠7 + m∠8 = 180° (
)

m∠2 + m∠8 = 180° (Substitution Property)

∠2 and ∠8 are supplementary (definition of supplementary angles)

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.