Suppose that each day the price of a stock moves up half of a point with probability 1/2 and moves down half a point with probability 1/2. What is the probability that after 4 day, the stock gains a point?

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Which number line represents the solution set for the inequality -1/2x> 24?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?