Answer: If the value of b is increased from 0, the graph moves up.
Step-by-step explanation:
I got it right.
Well you separate it into different stacks
You are subtracting -16-4
So I would assume your answer would be C
I hope this answer helps!
Step-by-step explanation:
1. draw the parallelogram with side 20cm and 25cm respectively and also the diagonal as well.
2.Clearly it forms a triangle in the parallelogram with three known lengths of side.
3.Using the cosine rule : c^2=b^2+c^2 -2bc cos c to find the obtuse angle.