Need help ASAP please I’m not too sure how to do this math problem at all. Can you please explain how to work it out with answer.

S-7< 3 i need answering this problem someone asap answer

How are sas and sss used to show that two triangles are congruent?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?