What is the particular products of 1262 x 3

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).

If the figures below are similar give the scale factor of figure a to figure b