there are two cards of pack each containing 52 each cards. one card is drawn from each pack. find the probability that at least one of them will be the ace of hearts​

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Which is the focus of a parabola with equation y2=4x