What is the area of a rhombus with an altitude of 3 cm and sides of 4 cm?7 cm squared

24 cm squared

4 cm squared

12 cm squared

16 cm squared

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)