HELP QUICK! Determine if the triangles are similar. If similar, state how (AA-, SSS-, SAS-) and complete the similarity
statement. If not similar, state "not similar".

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.