Which congruence theorem, if any, can be used to prove that the triangles are congruent?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?