Answer:
Step-by-step explanation:
A straight line adds up to 180 degrees, therefore 3x+6x = 180
9x = 180
x = 20
Answer:
I believe the answer is

slope = 2/3x
y-intercept = 1
Step-by-step explanation:
Hope this helps!
Answer:
A=2(wl+hl+hw)
Step-by-step explanation: