Answer:

Step-by-step explanation:
using form:

where a: starting number
where r: common ratio (in this case each next term is 3 times previous term)
There will be 9 inches on the map for we just take 27:3. Hope you get it.
30° the angle is ro small to be 90° to small to be 60° and to small to be 120°
2g/18 because if g=3, then 1-2/3=1/3, and 6/18=1/3
Answer:
Step-by-step explanation:
2*x + 3 = 1/2x + 30 Subtract 3 from both sides
<u> - 3 -3</u>
2x = 1/2x + 27 Subtract 1/2 x from both sides
<u>1/2 x -1/2 x</u>
1 1/2 x = 27 change 1 1/2 to 3/2
3/2 x = 27 Multiply by 2/3
2/3 * 3/2x = 27 * 2/3
x = 18