Subtract 7x^2+4x-9 from 5x^2+10x-5 express the result as a trinomial in decending degree order

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.