Casandra is training for a 10 mile race. on the first day of training she runs 4 miles, each day after that sge adds on 0.5 mile. on what day will casandra run 8 miles.

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.