Can someone please answer my last question? I'll give 100 pts. PL

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)