the altitude of an equilateral triangle is 9 . how long is the length of a side of the equilateral triangle ?

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?