The segments shown below could form a triangle.
true or false?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.