Kevin and River are opening competing lemonade stands. Kevin will charge $1.10 for a 8 fl. oz. cup of his lemonade. River will charge $1.50 for a 12 fl. oz. cup of her lemonade. Which one is the better deal? Explain how you know. Include the unit rates you calculated in the explanation. 

Are these proportions equivalent or not? Explain how you know. Include your calculations in your answer.

______ admissions were originally created to limit _____ students entry in elite colleges and universities.

Convert to a mixed number and simplify.

Write a fraction to represent the indicated value. You do not need to simplify. Of the 168 students at a college, 54 are freshmen. What fraction of the students are freshmen?

Determine the most precise name for the  quadrilateral. The arrow markings indicate that the marked sides are parallel. Note- The angles are not right angles.

Determine whether the given angles are​ complementary, supplementary, or neither. Explain how you know.  

Find the area of the polygon. Enter the answer in the answer box. For units, either enter ft, square ft, cubic ft.

Determine whether the statement is true or false. All rhombuses are also rectangles.

According to the principle of comparative advantage, specialization and trade increase a nation’s total output because