My cousin borrowed $18,000 for a new car loan for 6 years. he told me that at the end of the loan, he had paid $25,560 for the interest and principal. what was the rate of the loan?

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.