The difference in elevation of a helicopter and a submarine is 18 1/2 meters. The elevation of the submarine is −7 3/4 meters. Write and solve an equation to find the elevation h (in meters) of the helicopter. (please, only the equation.)

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).

9is the geometric mean between x and 12