Question

Develop and strengthen writing as needed by planning, revising, editing, rewriting, or trying a new approach, focusing on addressing what is most significant for a specific purpose and audience. combine these two sentences using a subordinate conjunction. scott failed his chemistry exam. scott went out with his friends last night

Answer 1

Here is the correct answer of the given question above. Based on the given sentences, here is the combined sentence using a subordinate conjunction. 
Scott failed his chemistry exam BECAUSE he went our with his friends last night. The subordinating conjunction used in this sentence is "because", because this sentence shows a cause and effect relationship. Hope this answer helps.