Solve the given system, using the substitution method.

y = 3x – 7

6x – 2y = 12

a. (12, 14)

b. there is no solution.

c. (14, 12)

d. there are an infinite number of solutions.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

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?