Sarah has run 108 miles over the last 15 days while preparing for an upcoming marathon. she ran either 6 miles a day or 8 miles a day. during the 15 day period, how many days did sarah run an 8 mile day? a) 6 b) 7 c) 8 d) 9 \

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.