Combine like terms to simplify the expression:
7x + 3y – 2 + 6x – 1 – y2
a.–2y3 + 13x – 3
b.–y2 + 3y + 13x – 3
c.–y2 + 3y + 42x2 –3
d.–3y3 + 13x2 – 3

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?

Jo divides a candy bar into eight equal pieces for her children to share she gives three pieces to sam three pieces to leslie and two pieces to margie rose the two month old baby does it doesn't get any what fraction shows how muchw candy each of the four children got. what's the answer to my question

What is the surface area of a cube with the volume of 729 ft?