Jim spends 30 minutes writing 10 sentences ( if he has 30 more sentences to write and continues writing at this same rate, how long should it take him to finish the entire assignment? (i know the answer it's just that i want to see if anyone is going to not)

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.