Take two identical 30°-60°-90° set squares and form a parellelogram as before. Does this figure obtained help you to confirm the above property? ​

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Factor the following expression completely 6x^11-24x^7

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?