PLEASE HELP VERY IMPORTANT

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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.