Can u do the percentage questions. this is urgent. can u guys do question 23

  51% of the farm's grain is organic

Step-by-step explanation:

23. The overall percentage is ...

  (fraction of grain that is wheat)×(fraction of wheat that is organic) + ...

     (fraction of grain that is barley)×(fraction of barley that is organic)

  = 0.70×0.60 + (1 -0.70)×0.30

  = 0.42 + 0.09 = 0.51

  = 51%

the fist one is not equalvalent but i think th second one isand the third isnt definetly or the last one is i think. hope this !

step-by-step explanation:

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.