Ashika drew a set of rectangles that were similar but different sizes. She wrote the expression 6n + 4 to describe the perimeter of any rectangle in the set. 1)What might be true about the rectangles' lengths and widths? How do you know? 2)What expression could she write to describe the perimeter of rectangles with lengths doubles their widths?

1. are the triangles similar and if so why? what is the value of x? show your work.

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean