Rylan is testing 2 different types of nail polish on her fingernails to determine which one lasts longer. she purchases brand a and brand b from the drug store. she then paints her nails with brand a and her sister's nails with brand b. she compares the nails polish at the end of the week and determines that brand b last longer because there fewer chips than brand a. why is her conclusion not valid?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length