For the following system, if you isolated x in the first equation to use the substitution method, what expression would you substitute into the second equation? −x − 2y = −4 and 3x + y = 12 a.) −2y − 4 b.) 2y − 4 c.) 2y + 4 d.) -2y + 4

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68