Answer:
A:(1/3x)+(x-2/4x^2+9)
Step-by-step explanation:
Edg2022
Answer:
The formula for this is 
The value of x would be 7.14 but since it says round to the nearest tenth it would be 7.1 or 7.10
Answer:
a=4
Step-by-step explanation:
5a-8=8+a
4a-8=8
4a=16
a=4
Answer:
10
Step-by-step explanation:
By using intersecting chord theorem:
NH.HT=MH.HY
(x+20)*8=12*20
x+20=12*20/8
x+20=240/8
x+20=30
x=30-20
x=10
Clara= 30+45 (75)
Adam = 2x75 (150)
745+5+150=270min