The sleeping heart rate of a black bear during hibernation is about 2/5 of its summer rate. If the sleeping heart rate of a bear is 28 beats per minute during hibernation,
find the summer sleeping heart rate.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle