Please solve for 8, 9 and 10 with detail explanation and calculated solution if any.

What expression is equivalent to (2x-1)(x-3)?

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?

The balance of susu's savings account can be represented by the variable b. the inequality describing her balance b > $30 . which could be a solution to the inequality?