Plz help I’ll mark just show work ( I keep getting stuck please help me )

7.df parallel to jl since d half kj and f half kl medsegment theory

8. de parallel kl since d half kj and e half jl medsegment theory

9.EF PARALLEL TO KJ MEDSEGMENT THEORY

10 . DF= JE=EL

11. DE=KF=FL

12.EF= KD=DJ

13. bc=XA THEN 3x+8=2x+24 so x=16 then xy=2 bc = (3(16)+8)×2=112

14. xz=2(ac) then 3x+5=2(6x-2) 3x+5=12x-4 x=1 then ac=6(1)-2=4

figure c

step-by-step explanation:

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hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: