if harris hit the bull's-eye three out of eight times at archery practice what is the experimental probability that he will hit the bull's-eye on his next try

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

We just started the introduction into circles and i have no idea how to do this.