Two bikers, jose and luis, start at the same point at the same time and travel in opposite directions. jose's average speed is 9 miles per hour more than that of luis, and after 3 hours the bikers are 81 miles apart. find the average speed of each biker.

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What is the frequency of the sinusoidal graph?

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.