A sector of a circle radius 7 cm subtending an angle of 270" at the centre of the circle, is used to form a cone. Find the:
i. Base radius of the cone;
ii. Curved surface area of the cone;
Volume of the cone,
Correct to the nearest whole number,
(Take n = 2217)​

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.