L 5.2.3 Quiz: Solving Two Variable Systems with Substitution Question 5 of 10 What should you substitute for x in the second equation (bottom equation) in order to solve the system by the substitution method? 11 x+4y=6 ​

Ineed in figuring out this problem.

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?