ABC and AED are straight lines.<br />BE and CD are parallel.<br />A<br />B<br />С<br />AD = 10.5 cm<br />AE = 4.2 cm<br />BE = 2.9 cm<br />a) Work out length CD.<br />E<br />AC = 8.75 cm<br />b) Work out length BC.<br />Clip 144<br />View One Minute Version<br />Find a cap<br />Choose Clip ()​

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

What is the factored form of the following expressions? d^2 – 13d + 36