Answer:
11
Step-by-step explanation:
All angles on a triangle equal 180. 80+60=140.
Now to solve for x, we set it to equal 40 for 180-140.
40=3x+7. 40-7=33
33=3x 33/3=11
x=11
if we take 260 to be the 100%, what is 52 off of it as a percentage?

Answer:
12 x 12+144
Step-by-step explanation:
Answer:
-10.25,-3.75 then the next one is -5.75,-10.75
Step-by-step explanation:
30 I think because 6 12 18 24 30 and 10 20 30