The coordinates of three vertices of parallelogram abcd are a(-1,0), b(4,0), and c(5,4). what are the coordinates of vertex d

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse