Two-fifths of the senior class earned a grade of B+ or higher on an advanced mathematics exam. If 42 seniors scored at least a B+, how many students are in the entire senior class?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

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?

Which of the following is the result of expanding the series