Will give a brainliest to the correct answer

solve for x.

km/3-2x=4

a.
x=km-4/2
b.
x=4-km/6
c.
x=2-km/3
d.
x=km-12/6

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.