In kickboxing, the force needed to break a board varies inversely with the length of the board. It takes Carson 18 pounds of force to break a board that is
4 feet long. How much force would he need to break a 20 foot long board? Enter number only, no units. Round to the nearest tenth if necessary.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.