Lola bought a blouse and a skirt from the store. if the blouse cost $18 less then the skirt and the total cost was $78 how much did the skirt cost

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.