What is a markup that is more than 200%?

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?

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.