Answer hurry

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.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.