Answer:
Heres how you do it
Step-by-step explanation:
10+2 =12 which means 72
Answer: LAST OPTION.
Step-by-step explanation:
In order to solve for the variable "x" from the expression
, you need to follow these steps:
1) You need to multiply both sides of the equation by 3:

2) You need to multiply both sides of the equation by 6:
3) Finally, you can divide both sides of the equation by 15:

Answer:
Step-by-step explanation:
7. 1/4 of 84 is 21, then 1/3 of that is 7
Answer:
360°
Step-by-step explanation:
The sum of the exterior angles for all polygons is 360°