The perimeter of a rectangular field is 286 yards. if the width of the field is 66 yards, what is its length?

i answered 77, am i right?

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?

The table below shows the function f. determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5]. a. 32 b. -32 c. 25 d. -25

What ia the sum if the first 7 terms of the geometric series