Can you guys please help me solve this? I will give Brainliest! DUE TODAY!!! Worth a good amount of points.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.