Abag of peanuts serves about four people. if you want to have enough bags for 23 people, what is the minimum number of bags you should get to make sure everyone gets enough?

Can someone me and do the problem plz so i can understand it more better

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 graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?