Answer:
18 dollars
Step-by-step explanation:
multiply 30 by .4 to get 12 dollars. 30-12=18
Hope this helps :)
Step-by-step explanation:
To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides.
...
Here is what it will look like:
area = 1/2 x 120 x 10√3.
area = 60 x 10√3.
area = 600√3.
hope this helps
3k + 15 = 66
3k = 66 - 15
3k = 51
k = 51/3
k = 17
Answer: x = - 4/9 
,y = - 7/6
Solution for: 3x -2y == 12 - 3x + 8y = - 6
Step-by-step explanation:
