Can you help with a few Pre Algebra questions THANKS

Find the mean, median, mode, and range of the data set.
89, 45, 68, 94, 70, 94, 86

Make a box-and-whisker plot for the data set.
48, 64, 49, 55, 67, 50, 35, 62, 44, 52, 58

Find the area of a circle with a diameter of 14 cm.

Find the mean, median, mode, and range of the data set.
1.2, 5.8, 3.7, 9.7, 5.5, 0.3, 8.1

1. Mean 78
Median 86
Mode 94
Range 49
2. Don't remember box and whisker. Sorry.
3. 49 pi or 153.938
4.mean 4.9
Median 5.5
Mode don't think there is a mode
Range 9.4

Hoped this helped:)