Solve the system. (x +y – 3z = -20 —3y + 2z = 5 Z = 4 Enter your answer as an ordered triple. ([?],[ ][ ] Enter ​

Which of the following lines would not have its equation change after a dilation with a center at the origin? (1) y=x+3 (2) y=10 (3) y=4x (4) x=6

Complete the two-column proof. given: 5/x + 9 = 11 prove: x = 10 5/x + 9-11 select one: a. a. given b. subtraction property of equality c. division property of equality b. a. given b. subtraction property of equality c multiplication property of equality ca. given b. addition property of equality c. multiplication property of d. a. given b. addition property of equality c. division property of equality

68 complete the following proof. given: qk=16, pk=26, mk=65, kl=40prove: ∆qpk~∆lmk