Perform the following operations and prove closure. Show work I) x/x+3 + x+2/x+5

II) x+4/x^2+5x+6 × x+3/x^2-16

I do need help. THANK YOU!

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

Which of the following describes the symmetry of the graph of y = x3?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.