Answer:
down in rate = 680-540 = 140
% change = 140*100/680 = 20.58%
Indirect proof or contradiction
Are there choices to pick from?
Step-by-step explanation:
2x²-4x=0
2x²=4x
2x=4
x=2
option C
1.) 5+4/7(21+3x)=41
5+ 12+12/7x= 41
12/7x= 41-12-5
12/7x= 24
x= 24/ (12/7)
x=14
2.) x+15.09= -2.57
x = -2.57-15.09
x= -17.66
Answer:
Step-by-step explanation:
(a+b)³
a³+a²b+ab²+b³
Or
a³+b³+ab(a+b)
