n a cookie recipe, there are 3 parts ugar and 2 parts flour. For every cup of our, how much sugar do you need?

Find the value of the cosine for angle a

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.