C=2πr=2·π·1≈6.28319
so the answer is 6.28
(a−b)(a(2)+ab+b(2))
=(a+−b)(a(2)+ab+b(2))
=(a)(a(2))+(a)(ab)+(a)(b(2))+(−b)(a(2))+(−b)(ab)+(−b)(b(2))
=2a2+a2b+2ab−2ab−ab2−2b2
=a2b−ab2+2a2−2b2
20 buttons in total
Because he has
5 white buttons
2 fewer brown
5-2 =3
So 3 brown
9 more gray than brown
3+9 = 12
12 gray buttons
5+3+12=20
Answer:
A) 2:6=5:15
Step-by-step explanation:
2:6=1/3
5:15=1/3 then
2:6=5:15(=1/3)
Answer:
A. yes she is going to have $157
Step-by-step explanation:
346-189=$157