4y-4x=28 in slope-intercept form

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

Acone with radius 5 cm and height 12 cm how many cm ?