If the only tool is a ruler, how could you use it to show that a quadrilateral is a rectangle?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!