0.31 rounded to the nearest tenth would be 0.3
This Chart should help you in the future:
The total cost is $22.28, rounded to the nearest half dollar is $22.50.
No. If it has three sides, then it's a triangle, and not a trapezoid.
I=prt
i=2000 X .04 X 7
i = 560
So you earned 560 after 7 years, plus your 2000 you started with
You can get C