Solve inequality algebraically 3|x +2|+7<43

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83