The measures of the three of the interior angles of a quadrilateral are 60°, 110°, and 90°. what is the measure of the fourth angle of this quadrilateral?

a 20°

b 40°

c 100°

d 180°

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn