3. The diagram shows a triangle ABC and a triangle CDE. AEC is a straight line. Given AB = 15 cm, CD = 10 cm, CE = 7 cm, DE = 8 cm, ZBAC = 53° and ZBCD = 90°

i) the length of BC, in cm.
ii)the area, in cm^2, of triangle ABC

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.