What is 9.921 rounded to the nearest tenth

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?