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

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?